Group Decision-Making Model Based on 2-Tuple Fuzzy Linguistic Model and AHP Applied to Measuring Digital Maturity Level of Organizations

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} div.type-section h2 { font-size: 20px; line-height: 26px; font-weight: 300; } div.type-section h3 { margin-left: 15px; margin-bottom: 0px; font-weight: 300; } .journal-tabs .tab-title.active a { } </style> <link rel="stylesheet" href="https://pub.mdpi-res.com/assets/css/slick.css?f38b2db10e01b157?1740558760"> <meta name="title" content="Group Decision-Making Model Based on 2-Tuple Fuzzy Linguistic Model and AHP Applied to Measuring Digital Maturity Level of Organizations"> <meta name="description" content="In the digital era, companies have experienced a progressive change in their business models, which has led them to develop greater agility to adapt to changing environments, and the necessity to properly manage the group decision making in these companies is patent. This paper shows how fuzzy models are utilized in group decision making. In this context, one of the most important group decisions to be adopted is how to manage the digital transformation of the company, drawing up the best possible roadmap. To achieve this goal, this paper proposes a new methodology improvement of group decision making based on a fuzzy 2-tuple linguistic model and the analytic hierarchy process (AHP) method. The suggested methodology proposes the calculation of the digital maturity level (DML) of companies based on five of the most cited and agreed upon criteria in the existing literature. The methodology proposed in this paper was tested and validated for the business case of Spanish SMEs through three different clusters to derive global recommendations tailored to each specific cluster and company segments, using a sample of 1428 companies. The main fundings reveal that the digital maturity level directly impacts on the size of the company and its digital mindset in the sense of driving change management processes. As future works, authors recommend extending the model to any industry using the proposed methodology and evaluate disruptive technologies such as artificial intelligence (AI) in supporting the digital transformation of SMEs." > <link rel="image_src" href="https://pub.mdpi-res.com/img/journals/systems-logo.png?8600e93ff98dbf14" > <meta name="dc.title" content="Group Decision-Making Model Based on 2-Tuple Fuzzy Linguistic Model and AHP Applied to Measuring Digital Maturity Level of Organizations"> <meta name="dc.creator" content="Gabriel Marín Díaz"> <meta name="dc.creator" content="José Luis Galdón Salvador"> <meta name="dc.type" content="Article"> <meta name="dc.source" content="Systems 2023, Vol. 11, Page 341"> <meta name="dc.date" content="2023-07-03"> <meta name ="dc.identifier" content="10.3390/systems11070341"> <meta name="dc.publisher" content="Multidisciplinary Digital Publishing Institute"> <meta name="dc.rights" content="http://creativecommons.org/licenses/by/3.0/"> <meta name="dc.format" content="application/pdf" > <meta name="dc.language" content="en" > <meta name="dc.description" content="In the digital era, companies have experienced a progressive change in their business models, which has led them to develop greater agility to adapt to changing environments, and the necessity to properly manage the group decision making in these companies is patent. This paper shows how fuzzy models are utilized in group decision making. In this context, one of the most important group decisions to be adopted is how to manage the digital transformation of the company, drawing up the best possible roadmap. To achieve this goal, this paper proposes a new methodology improvement of group decision making based on a fuzzy 2-tuple linguistic model and the analytic hierarchy process (AHP) method. The suggested methodology proposes the calculation of the digital maturity level (DML) of companies based on five of the most cited and agreed upon criteria in the existing literature. The methodology proposed in this paper was tested and validated for the business case of Spanish SMEs through three different clusters to derive global recommendations tailored to each specific cluster and company segments, using a sample of 1428 companies. The main fundings reveal that the digital maturity level directly impacts on the size of the company and its digital mindset in the sense of driving change management processes. As future works, authors recommend extending the model to any industry using the proposed methodology and evaluate disruptive technologies such as artificial intelligence (AI) in supporting the digital transformation of SMEs." > <meta name="dc.subject" content="group decision making" > <meta name="dc.subject" content="digital transformation" > <meta name="dc.subject" content="fuzzy logic" > <meta name="dc.subject" content="digital maturity level" > <meta name="dc.subject" content="SME" > <meta name ="prism.issn" content="2079-8954"> <meta name ="prism.publicationName" content="Systems"> <meta name ="prism.publicationDate" content="2023-07-03"> <meta name ="prism.volume" content="11"> <meta name ="prism.number" content="7"> <meta name ="prism.section" content="Article" > <meta name ="prism.startingPage" content="341" > <meta name="citation_issn" content="2079-8954"> <meta name="citation_journal_title" content="Systems"> <meta name="citation_publisher" content="Multidisciplinary Digital Publishing Institute"> <meta name="citation_title" content="Group Decision-Making Model Based on 2-Tuple Fuzzy Linguistic Model and AHP Applied to Measuring Digital Maturity Level of Organizations"> <meta name="citation_publication_date" content="2023/7"> <meta name="citation_online_date" content="2023/07/03"> <meta name="citation_volume" content="11"> <meta name="citation_issue" content="7"> <meta name="citation_firstpage" content="341"> <meta name="citation_author" content="Marín Díaz, Gabriel"> <meta name="citation_author" content="Galdón Salvador, José Luis"> <meta name="citation_doi" content="10.3390/systems11070341"> <meta name="citation_id" content="mdpi-systems11070341"> <meta name="citation_abstract_html_url" content="https://www.mdpi.com/2079-8954/11/7/341"> <meta name="citation_pdf_url" content="https://www.mdpi.com/2079-8954/11/7/341/pdf?version=1688383944"> <link rel="alternate" type="application/pdf" title="PDF Full-Text" href="https://www.mdpi.com/2079-8954/11/7/341/pdf?version=1688383944"> <meta name="fulltext_pdf" content="https://www.mdpi.com/2079-8954/11/7/341/pdf?version=1688383944"> <meta name="citation_fulltext_html_url" content="https://www.mdpi.com/2079-8954/11/7/341/htm"> <link rel="alternate" type="text/html" title="HTML Full-Text" href="https://www.mdpi.com/2079-8954/11/7/341/htm"> <meta name="fulltext_html" content="https://www.mdpi.com/2079-8954/11/7/341/htm"> <link rel="alternate" type="text/xml" title="XML Full-Text" href="https://www.mdpi.com/2079-8954/11/7/341/xml"> <meta name="fulltext_xml" content="https://www.mdpi.com/2079-8954/11/7/341/xml"> <meta name="citation_xml_url" content="https://www.mdpi.com/2079-8954/11/7/341/xml"> <meta name="twitter:card" content="summary" /> <meta name="twitter:site" content="@MDPIOpenAccess" /> <meta name="twitter:image" content="https://pub.mdpi-res.com/img/journals/systems-logo-social.png?8600e93ff98dbf14" /> <meta property="fb:app_id" content="131189377574"/> <meta property="og:site_name" content="MDPI"/> <meta property="og:type" content="article"/> <meta property="og:url" content="https://www.mdpi.com/2079-8954/11/7/341" /> <meta property="og:title" content="Group Decision-Making Model Based on 2-Tuple Fuzzy Linguistic Model and AHP Applied to Measuring Digital Maturity Level of Organizations" /> <meta property="og:description" content="In the digital era, companies have experienced a progressive change in their business models, which has led them to develop greater agility to adapt to changing environments, and the necessity to properly manage the group decision making in these companies is patent. This paper shows how fuzzy models are utilized in group decision making. In this context, one of the most important group decisions to be adopted is how to manage the digital transformation of the company, drawing up the best possible roadmap. To achieve this goal, this paper proposes a new methodology improvement of group decision making based on a fuzzy 2-tuple linguistic model and the analytic hierarchy process (AHP) method. The suggested methodology proposes the calculation of the digital maturity level (DML) of companies based on five of the most cited and agreed upon criteria in the existing literature. The methodology proposed in this paper was tested and validated for the business case of Spanish SMEs through three different clusters to derive global recommendations tailored to each specific cluster and company segments, using a sample of 1428 companies. The main fundings reveal that the digital maturity level directly impacts on the size of the company and its digital mindset in the sense of driving change management processes. As future works, authors recommend extending the model to any industry using the proposed methodology and evaluate disruptive technologies such as artificial intelligence (AI) in supporting the digital transformation of SMEs." /> <meta property="og:image" content="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g001-550.jpg?1688384027" /> <link rel="alternate" type="application/rss+xml" title="MDPI Publishing - Latest articles" href="https://www.mdpi.com/rss"> <meta name="google-site-verification" content="PxTlsg7z2S00aHroktQd57fxygEjMiNHydKn3txhvwY"> <meta name="facebook-domain-verification" content="mcoq8dtq6sb2hf7z29j8w515jjoof7" /> <script id="usercentrics-cmp" src="https://web.cmp.usercentrics.eu/ui/loader.js" data-ruleset-id="PbAnaGk92sB5Cc" async></script>  <script> window.dataLayer = window.dataLayer || []; function gtag() { dataLayer.push(arguments); } gtag('consent', 'default', { 'ad_user_data': 'denied', 'ad_personalization': 'denied', 'ad_storage': 'denied', 'analytics_storage': 'denied', 'wait_for_update': 500, }); 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Linguistic Model and AHP Applied to Measuring Digital Maturity Level of Organizations </h1> <div class="art-authors hypothesis_container"> by <span class="inlineblock "><div class='profile-card-drop' data-dropdown='profile-card-drop11428193' data-options='is_hover:true, hover_timeout:5000'> Gabriel Marín Díaz</div><div id="profile-card-drop11428193" data-dropdown-content class="f-dropdown content profile-card-content" aria-hidden="true" tabindex="-1"><div class="profile-card__title"><div class="sciprofiles-link" style="display: inline-block"><div class="sciprofiles-link__link"><img class="sciprofiles-link__image" src="/profiles/1790195/thumb/Gabriel_Marín_Díaz.jpg" style="width: auto; height: 16px; border-radius: 50%;"><span class="sciprofiles-link__name">Gabriel Marín Díaz</span></div></div></div><div class="profile-card__buttons" style="margin-bottom: 10px;"><a href="https://sciprofiles.com/profile/1790195?utm_source=mdpi.com&utm_medium=website&utm_campaign=avatar_name" class="button 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href="/cdn-cgi/l/email-protection#d9f6bab7bdf4babeb0f6b5f6bcb4b8b0b5f4a9abb6adbcbaadb0b6b7fae9e9e9ecefb8e9bde9bbe9efe8e0e9bbe9efebb8e9bce9ece9bfedede8bfe8b8e8baedede9bfe8e0"><sup><i class="fa fa-envelope-o"></i></sup></a><a href="https://orcid.org/0009-0004-2911-4308" target="_blank" rel="noopener noreferrer"><img src="https://pub.mdpi-res.com/img/design/orcid.png?0465bc3812adeb52?1740558760" title="ORCID" style="position: relative; width: 13px; margin-left: 3px; max-width: 13px !important; height: auto; top: -5px;"></a></span> </div> <div class="nrm"></div> <span style="display:block; height:6px;"></span> <div></div> <div style="margin: 5px 0 15px 0;" class="hypothesis_container"> <div class="art-affiliations"> <div class="affiliation "> <div class="affiliation-item"><sup>1</sup></div> <div class="affiliation-name ">Faculty of Statistics, Universidad Complutense, Puerta de Hierro, 28040 Madrid, Spain</div> </div> <div class="affiliation "> <div class="affiliation-item"><sup>2</sup></div> <div class="affiliation-name ">Management Department, Universitat Politècnica de València, Camí de Vera s/n, 46022 Valencia, Spain</div> </div> <div class="affiliation"> <div class="affiliation-item"><sup>*</sup></div> <div class="affiliation-name ">Author to whom correspondence should be addressed. </div> </div> </div> </div> <div class="bib-identity" style="margin-bottom: 10px;"> <em>Systems</em> <b>2023</b>, <em>11</em>(7), 341; <a href="https://doi.org/10.3390/systems11070341">https://doi.org/10.3390/systems11070341</a> </div> <div class="pubhistory" style="font-weight: bold; padding-bottom: 10px;"> <span style="display: inline-block">Submission received: 5 June 2023</span> / <span style="display: inline-block">Revised: 26 June 2023</span> / <span style="display: inline-block">Accepted: 28 June 2023</span> / <span style="display: inline-block">Published: 3 July 2023</span> </div> <div class="belongsTo" style="margin-bottom: 10px;"> (This article belongs to the Special Issue <a href=" /journal/systems/special_issues/ZN51HVWR9N ">Preference and Consensus Modeling in Group Decision Making under Complex Contexts</a>)<br/> </div> <div class="highlight-box1"> <div class="download"> <a class="button button--color-inversed button--drop-down" data-dropdown="drop-download-1185929" aria-controls="drop-supplementary-1185929" aria-expanded="false"> Download <i class="material-icons">keyboard_arrow_down</i> </a> <div id="drop-download-1185929" class="f-dropdown label__btn__dropdown label__btn__dropdown--button" data-dropdown-content aria-hidden="true" tabindex="-1"> <a class="UD_ArticlePDF" href="/2079-8954/11/7/341/pdf?version=1688383944" data-name="Group Decision-Making Model Based on 2-Tuple Fuzzy Linguistic Model and AHP Applied to Measuring Digital Maturity Level of Organizations" data-journal="systems">Download PDF</a> <br/> <a id="js-pdf-with-cover-access-captcha" href="#" data-target="/2079-8954/11/7/341/pdf-with-cover" 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href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g002.png?1688384019" title=" <strong>Figure 2</strong><br/> <p>Studies related to the consensus process/group decision making in the business field and digital maturity/transformation.</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g003.png?1688384034" title=" <strong>Figure 3</strong><br/> <p>Studies related to digital transformation models.</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g004.png?1688384032" title=" <strong>Figure 4</strong><br/> <p>Number of companies by number of employees (source: Statistical National Institute, Spain, <a href="https://ine.es/" target="_blank">https://ine.es/</a>).</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g005.png?1688384017" title=" <strong>Figure 5</strong><br/> <p>Studies related to digital maturity models.</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g006.png?1688384027" title=" <strong>Figure 6</strong><br/> <p>Studies related to fuzzy logic and consensus processes.</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g007.png?1688384021" title=" <strong>Figure 7</strong><br/> <p>Studies related to fuzzy logic and consensus processes applied in the business sector.</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g008.png?1688384017" title=" <strong>Figure 8</strong><br/> <p>Studies related to digital maturity models and fuzzy logic.</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g009.png?1688384030" title=" <strong>Figure 9</strong><br/> <p>Definition of the set S.</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g010.png?1688384018" title=" <strong>Figure 10</strong><br/> <p>Classification of DM problems.</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g011.png?1688384022" title=" <strong>Figure 11</strong><br/> <p>Analytic hierarchy process.</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g012.png?1688384028" title=" <strong>Figure 12</strong><br/> <p>The 2-tuple linguistic unification model [<a href="#B61-systems-11-00341" class="html-bibr">61</a>].</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g013.png?1688384029" title=" <strong>Figure 13</strong><br/> <p>DML model.</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g014.png?1688384020" title=" <strong>Figure 14</strong><br/> <p>Number of enterprises by number of employees—10 to 49 employees|50 to 249 employees.</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g015.png?1688384022" title=" <strong>Figure 15</strong><br/> <p>Histograms for PS, CX, PO, IT and AI—10 to 49 employees|50 to 249 employees.</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g016.png?1688384031" title=" <strong>Figure 16</strong><br/> <p>Histogram for EVAL—10 to 49 employees|50 to 249 employees.</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g017.png?1688384033" title=" <strong>Figure 17</strong><br/> <p>Correlation matrix—10 to 49 employees|50 to 249 employees.</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g018.png?1688384025" title=" <strong>Figure 18</strong><br/> <p>Cluster—10 to 49 employees|50 to 249 employees.</p> "> </a> <a href="https://pub.mdpi-res.com/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g019.png?1688384024" title=" <strong>Figure 19</strong><br/> <p>Levels of digital maturity by knowledge area.</p> "> </a> </div> <a class="button button--color-inversed" href="/2079-8954/11/7/341/notes">Versions Notes</a> </div> </div> <div class="responsive-moving-container small hidden" data-id="article-counters" style="margin-top: 15px;"></div> <div class="html-dynamic"> <section> <div class="art-abstract art-abstract-new in-tab hypothesis_container"> <p> <div><section class="html-abstract" id="html-abstract"> <h2 id="html-abstract-title">Abstract</h2><b>:</b> <div class="html-p">In the digital era, companies have experienced a progressive change in their business models, which has led them to develop greater agility to adapt to changing environments, and the necessity to properly manage the group decision making in these companies is patent. This paper shows how fuzzy models are utilized in group decision making. In this context, one of the most important group decisions to be adopted is how to manage the digital transformation of the company, drawing up the best possible roadmap. To achieve this goal, this paper proposes a new methodology improvement of group decision making based on a fuzzy 2-tuple linguistic model and the analytic hierarchy process (AHP) method. The suggested methodology proposes the calculation of the digital maturity level (DML) of companies based on five of the most cited and agreed upon criteria in the existing literature. The methodology proposed in this paper was tested and validated for the business case of Spanish SMEs through three different clusters to derive global recommendations tailored to each specific cluster and company segments, using a sample of 1428 companies. The main fundings reveal that the digital maturity level directly impacts on the size of the company and its digital mindset in the sense of driving change management processes. As future works, authors recommend extending the model to any industry using the proposed methodology and evaluate disruptive technologies such as artificial intelligence (AI) in supporting the digital transformation of SMEs.</div> </section> <div id="html-keywords"> <div class="html-gwd-group"><div id="html-keywords-title">Keywords: </div><a href="/search?q=group+decision+making">group decision making</a>; <a href="/search?q=digital+transformation">digital transformation</a>; <a href="/search?q=fuzzy+logic">fuzzy logic</a>; <a href="/search?q=digital+maturity+level">digital maturity level</a>; <a href="/search?q=SME">SME</a></div> <div> </div> </div> </div> </p> </div> </section> </div> <div class="hypothesis_container"> <ul class="menu html-nav" data-prev-node="#html-quick-links-title"> </ul> <div class="html-body"> <section id='sec1-systems-11-00341' type='intro'><h2 data-nested='1'> 1. Introduction</h2><div class='html-p'>As constant and rapid changes are taking place in an environment that is more complex, more volatile, and more uncertain than ever, it is vital for companies to develop a great capacity to adapt to the digital era. In this sense, the study [<a href="#B1-systems-11-00341" class="html-bibr">1</a>] lists the aspects more important for an organization in this new scenario, such as the use of data or the adoption of agile methods. In the same vein, transformation requires adapting to changes, for example, in the competencies required for workers in a digital economy, and there are professional competency frameworks that include digital competencies as a fundamental part of the definition of the responsibilities of professional profiles [<a href="#B2-systems-11-00341" class="html-bibr">2</a>].</div><div class='html-p'>To manage a business in this changing environment in an agile and efficient way, it is essential to manage group decisions in the most efficient and consensual way possible. Group decision making (GDM) can be defined “as a task to consolidate and aggregate preferences (or opinions) that a group of decision-makers express regarding a set of alternatives, which aims to find the best collective alternative solution to a decision problem” [<a href="#B3-systems-11-00341" class="html-bibr">3</a>]. These decisions are of a very diverse nature and highly complex, as they depend on several interlocutors, and a consensus must be reached quickly and optimally. This is where fuzzy logic and the analytic hierarchy process (AHP) can be a good option to help managers in the group decision-making process.</div><div class='html-p'>One of the most relevant decisions that all companies are currently making is how to reach their businesses’ needs aligned with current technologies [<a href="#B4-systems-11-00341" class="html-bibr">4</a>,<a href="#B5-systems-11-00341" class="html-bibr">5</a>]. In this sense, technologies such as social media, cloud computing, business analytics, big data, artificial intelligence, or the Internet of Things have become increasingly relevant both in general and especially in the business environment.</div><div class='html-p'>If we look back at the evolution of companies in recent decades, we will see that many companies have had to adapt to this increasingly digital environment, and practically all companies have been, are or will be immersed in the so-called digital transformation of their business. In this sense, G. Vial defines digital transformation as “a process that aims to improve an entity by triggering significant changes to its properties through combinations of information, computing, communication, and connectivity technologies” [<a href="#B6-systems-11-00341" class="html-bibr">6</a>]. The growing importance of digital transformation is evident in the increased interest among the scientific community [<a href="#B7-systems-11-00341" class="html-bibr">7</a>,<a href="#B8-systems-11-00341" class="html-bibr">8</a>,<a href="#B9-systems-11-00341" class="html-bibr">9</a>] as well as in studies by global organizations such as the World Bank Development Committee (2022) analyzing trends and the impact of digitalization on economic development. In the abundant existing literature on the digital transformation of companies, it can be deduced that digitalization and new technologies are directly impacting business models and are studied as a real phenomenon. These changes caused in companies because of digitization affect all areas and processes, as we will analyze in this paper.</div><div class='html-p'>However, it is not only important to carry out a digital transformation of the business, but it is also important that the digital transformation is developed following a strategy and after a thorough analysis of the company’s capabilities. If we do not carry out this preliminary study and do not make the right decisions, it could happen that, despite the efforts and investments made to join the digitalization phenomenon, the expectations that were set about the potential benefits will not be achieved. This is therefore a major challenge facing all companies when it comes to the digital transformation of their businesses: making investments in digitization in an optimal way to try to achieve their goals [<a href="#B10-systems-11-00341" class="html-bibr">10</a>]. As mentioned above, digitally transforming a company involves making substantial changes in many areas of the company, so the decision-making phase will be critical in making this process successful or unsuccessful. Despite the efforts of many specialized consulting firms and researchers, there is still no consensus on a model for helping in decision making when undertaking the best strategy for each company [<a href="#B11-systems-11-00341" class="html-bibr">11</a>].</div><div class='html-p'>This paper aims to provide the scientific community with a new model that can become a guide to carrying out the digital transformation of a company. This new model, which will be explained in depth in the following section, is based on previously calculating the digital maturity level of the company. Digital maturity level can be defined as “a related specific and generic practices for a predefined set of maturity dimensions that can improve the organizations” [<a href="#B12-systems-11-00341" class="html-bibr">12</a>]. Regarding these practices or capabilities, the literature highlights that the development of a specific set of digital capabilities leads to a direct improvement in the level of digital maturity [<a href="#B13-systems-11-00341" class="html-bibr">13</a>]. A classic definition of digital maturity level could be the proposal provided by the authors of [<a href="#B10-systems-11-00341" class="html-bibr">10</a>], who argue that the digital maturity level consists of dimensions and criteria, which describe the areas of action and the different stages of maturity and help companies to improve their digital maturity level. In [<a href="#B14-systems-11-00341" class="html-bibr">14</a>], digital maturity is shown as “what a company has already achieved with regard to transformation efforts”. These efforts to increase the level of digital maturity of companies may involve operational changes as well as the development of new capabilities, hence the need for digital maturity models, the importance of which is becoming increasingly relevant among academics and practitioners [<a href="#B15-systems-11-00341" class="html-bibr">15</a>]. In [<a href="#B16-systems-11-00341" class="html-bibr">16</a>], it is noted that this trend of proposing digital maturity models will increase in the coming years.</div><div class='html-p'>In this sense, it is critical to identify the dimensions that define the level of digital maturity, and which distinguish one company from another. Only by qualitatively and quantitatively measuring a company’s current digitalization situation can it be known how far it is from achieving the optimal result. Again, considering the current literature in terms of models for measuring the level of digitization of a company, we find multiple studies with different variables, and once again, we note a total lack of consensus among the scientific community [<a href="#B11-systems-11-00341" class="html-bibr">11</a>]. Therefore, this paper will take into account, on the one hand, the most relevant criteria for defining the degree of digital maturity of companies and, on the other hand, the group multi-criteria decisions that may exist in the company, resulting from the diversity of roles with decision-making capacity (CEO, CFO, CTO, etc.), so we will make use of mathematical models based on fuzzy logic and AHP methods.</div><div class='html-p'>Although there is a large amount of literature on digital transformation on the one hand and on fuzzy models for decision making on the other, there is a significant gap in the combination of these two concepts, and there are practically no studies that research possible models that improve the decision-making process of digital transformation. In addition, after a deep analysis of these studies, we found that most of them only provide a qualitative approximation of how the company is doing in terms of digitalization, but do not help to establish a decision-making process based on these results that would help the company to establish an action plan. Another conclusion that has been found regarding the models for measuring the digital maturity of a company is that many of them are designed for a specific sector of companies [<a href="#B11-systems-11-00341" class="html-bibr">11</a>] or for a holistic point of view [<a href="#B17-systems-11-00341" class="html-bibr">17</a>], but very few propose adaptable models according to the size of the company. On the other hand, after our deep study of the literature, we can conclude that many authors identify as a dimension for measuring digital maturity level aspects as innovation [<a href="#B10-systems-11-00341" class="html-bibr">10</a>,<a href="#B18-systems-11-00341" class="html-bibr">18</a>], or culture [<a href="#B19-systems-11-00341" class="html-bibr">19</a>,<a href="#B20-systems-11-00341" class="html-bibr">20</a>], but very few propose a digital mindset as a variable.</div><div class='html-p'>With this, as the main contributions of this new model proposed in this article, we can consider the following:</div><div class='html-p'><ul class='html-bullet'><li><div class='html-p'>Suggesting a methodology for the improvement of group decision making based on a fuzzy 2-tuple linguistic model and the AHP method.</div></li><li><div class='html-p'>From this proposed methodology for group decision making, proposing a new model for calculating the digital maturity level (DML).</div></li><li><div class='html-p'>Selecting the criteria to be used in the new model, based on an exhaustive literature review evaluating which are the most cited criteria for measuring digital maturity.</div></li><li><div class='html-p'>Presenting a real use case to validate and test this new methodology in the case of SMEs in Spain and to establish a proposal of recommendations for the improvement of the decision making of each cluster of companies.</div></li><li><div class='html-p'>Establishing a series of limitations of our work, as well as future lines of work.</div></li></ul></div><div class='html-p'>The remaining content of this article is presented as follows: in <a href="#sec2-systems-11-00341" class="html-sec">Section 2</a>, we review the existing literature on the concepts that are part of the proposed model; in <a href="#sec3-systems-11-00341" class="html-sec">Section 3</a>, we develop the methodology we have followed in this work based on AHP and fuzzy linguistic 2-tuples; in <a href="#sec4-systems-11-00341" class="html-sec">Section 4</a>, we propose a new model for calculating digital maturity; in <a href="#sec5-systems-11-00341" class="html-sec">Section 5</a>, we present a practical application of the model for the case of Spanish SMEs; and finally, in <a href="#sec6-systems-11-00341" class="html-sec">Section 6</a>, <a href="#sec7-systems-11-00341" class="html-sec">Section 7</a> and <a href="#sec8-systems-11-00341" class="html-sec">Section 8</a>, we discuss the results and establish the main conclusions as well as the limitations and future lines of work.</div></section><section id='sec2-systems-11-00341' type=''><h2 data-nested='1'> 2. Literature Review</h2><section id='sec2dot1-systems-11-00341' type=''><h4 class='html-italic' data-nested='2'> 2.1. Group Decision Making and Consensus</h4><div class='html-p'>As we mentioned in the introduction section, to manage a business, it is essential to manage group decisions in the most efficient and consensual way possible. In this sense, the fields of consensus processes and group decision making have been deeply analyzed in the recent literature.</div><div class='html-p'>When we researched the publications and citations associated with the search variable TS = (CONSENSUS PROCESS) OR TS = (GROUP DECISION MAKING), we found more than one hundred fifty thousand publications studying these terms. If the search is refined to find only these terms but applied to the business environment, the number is considerably reduced (6241 publications).</div><div class='html-p'><a href="#systems-11-00341-f001" class="html-fig">Figure 1</a> presents a comprehensive overview of the publications and citations associated with the search variables (TS = (CONSENSUS PROCESS) OR TS = (MAKING DECISION GROUP)) AND (TS = (BUSINESS) OR TS = (ENTERPRISE)). The objective is to show the scientific publications related to this concept. For these results, we have conducted the research in the Web of Science Core Collection including unique criteria of selecting journal article documents and including the entire period available.</div><div class='html-p'>As can be deduced from the number of publications previously shown, the importance that academics and practitioners give to the field of consensus decision making and group decision making can be highlighted. In the words of [<a href="#B21-systems-11-00341" class="html-bibr">21</a>], group decision making is “an important component of decision science” and “can improve the scientific of decision making by aggregating multiple experts’ evaluation information on several alternatives to select the optimal solution”.</div><div class='html-p'>In this sense, one of the most relevant group decisions that companies are currently developing is to implement the digital transformation of their business. Again, after searching in the Web of Science Core Collection and including unique criteria of selecting journal article documents and including the entire period available, we can present <a href="#systems-11-00341-f002" class="html-fig">Figure 2</a>, which reveals the publications and citations associated with the search variables (TS = (CONSENSUS PROCESS) OR TS = (MAKING DECISION GROUP)) AND (TS = (BUSINESS) OR TS = (ENTERPRISE)) AND (TS = (DIGITAL TRANSFORMATION) OR TS = (DIGITAL MATURITY)).</div><div class='html-p'>With this second filter, we only found 50 articles, representing an interesting gap on which to conduct our research.</div><div class='html-p'>In the following section, we will delve deeply into the concept of digital transformation models and digital maturity.</div></section><section id='sec2dot2-systems-11-00341' type=''><h4 class='html-italic' data-nested='2'> 2.2. Digital Transformation</h4><div class='html-p'><a href="#systems-11-00341-f003" class="html-fig">Figure 3</a> presents a comprehensive overview of the publications and citations associated with the search variable TS = (DIGITAL TRANSFORMATION MODELS). The objective is to show the scientific publications related to this concept. For these results, we have conducted the research in the Web of Science Core Collection including unique criteria of selecting journal article documents and including the entire period available.</div><div class='html-p'>As shown in <a href="#systems-11-00341-f003" class="html-fig">Figure 3</a>, there are many studies and articles on digital transformation in the literature, a major part of them published in the last decade.</div><div class='html-p'>Considering the impact that digitalization is having on the business environment, we must place special emphasis on SMEs, as they play a fundamental role in the economy. The main importance of SMEs is the fact that they impact not only their sector but also the rest of the companies in the global economy [<a href="#B22-systems-11-00341" class="html-bibr">22</a>]. Following [<a href="#B23-systems-11-00341" class="html-bibr">23</a>], it has been estimated SMEs represent more than 90 percent of industrial production and over 60 percent of the labor force in many countries.</div><div class='html-p'>Another example of the importance that SMEs have in the global economy of the European Union is the Next Generation EU funds, the largest financial support in EU history for its state members. A large part of this funding has been programmed to promote the growth and digital development of SMEs. If we focus on the case of Spain, we will find that SMEs are essential in the Recovery Plan of the Next Generation funds, as can be seen in the fact that this plan is aimed at specific measures for this type of company, with specific initiatives in 17 of the 30 components of the plan. In addition, many of the initiatives to help the business development of SMEs are based on their digitalization, as shown by programs such as the “Digital Kit”, which has benefited more than 1 million SMEs in Spain.</div><div class='html-p'>The Spanish National Bureau of Statistics (INE by its Spanish acronym) indicates that SMEs are of vital importance for a sustainable economy; they represent 99% of the total business sector, accumulating 62% of the Spanish GDP. According to the INE, with data from 2022, 85% of Spanish companies have less than 50 employees [<a href="#B24-systems-11-00341" class="html-bibr">24</a>].</div><div class='html-p'><a href="#systems-11-00341-f004" class="html-fig">Figure 4</a> shows the total number of companies in Spain by number of employees in the last three years.</div><div class='html-p'>Based on these data, it seems logical to venture that different strategies should be followed depending on the size of the companies; however, after a deep review of the literature, it is observed that in addition to the fact that there are few models helping companies in decision making for digital transformation, practically none of them differentiate according to the number of employees or are focused on SMEs [<a href="#B11-systems-11-00341" class="html-bibr">11</a>]. This point will be considered in our model, and as will be seen in the following section, we will perform a clustering of companies according to size, and we will suggest a report of specific recommendations for each of these clusters.</div></section><section id='sec2dot3-systems-11-00341' type=''><h4 class='html-italic' data-nested='2'> 2.3. Criteria for Measuring Digital Maturity Level</h4><div class='html-p'><a href="#systems-11-00341-f005" class="html-fig">Figure 5</a> presents a comprehensive overview of the publications and citations associated with the search variable TS = (DIGITAL MATURITY MODELS). The objective was to discover the scientific publications related to this concept. For these results, we have conducted the research in the Web of Science Core Collection including unique criteria of selecting journal article documents and including the entire period available.</div><div class='html-p'>Many works base their analysis of digitalization on technological or digital maturity models and identify different criteria for measuring the digital maturity of a company. In [<a href="#B12-systems-11-00341" class="html-bibr">12</a>], digital maturity criteria include digital organization and culture, technology, digital skills, operations and processes, digital strategy, and organization and culture. The authors of [<a href="#B25-systems-11-00341" class="html-bibr">25</a>] propose measuring digital maturity through criteria such as business models, processes, relationships and products. In [<a href="#B11-systems-11-00341" class="html-bibr">11</a>], a review of the existing literature concludes that the most cited criteria are business culture and people, and technology, closely followed by business management, processes, products and strategy. It indicates that digital maturity models are still far from being a consolidated field of study due to the lack of validation using numerical methods. The following are the five digital maturity criteria that have been most used in the literature and will be the basis of our work and our model proposal:</div><div class='html-p'><ul class='html-bullet'><li><div class='html-p'>Products/Services (PS): This criterion refers to whether the organization’s products and/or services are digital or sufficiently digitized, meaning they leverage digitalization to incorporate new features and provide greater value. In this sense, several authors have emphasized the importance of the products/services of companies to evaluate the digital maturity level of a company. In this context [<a href="#B26-systems-11-00341" class="html-bibr">26</a>], highlights the importance of the customization of products/services, and [<a href="#B27-systems-11-00341" class="html-bibr">27</a>] focuses on the capability to launch new products based on a digital point of view. In other words, it is possible to “bring on the market intelligent new products and services, controlled by digital components” [<a href="#B28-systems-11-00341" class="html-bibr">28</a>].</div></li><li><div class='html-p'>Customers (CX): This criterion refers to whether the organization has digital channels for optimal communication with customers. Having these digital channels will improve the company in terms of customer experience and a better understanding of customer needs. In [<a href="#B1-systems-11-00341" class="html-bibr">1</a>], the impact of the digital maturity of a company on the market is highlighted: “The increasing digitalization of economies has highlighted the importance of digital transformation and how it can help businesses stay competitive in the market”. In the same vein, many authors focus on the importance of operating in a market based on digital standards and the necessity to have a digital approach [<a href="#B29-systems-11-00341" class="html-bibr">29</a>,<a href="#B30-systems-11-00341" class="html-bibr">30</a>,<a href="#B31-systems-11-00341" class="html-bibr">31</a>], as well as the impact of digitalization on customers.</div></li><li><div class='html-p'>Processes/Operations (PO): This criterion indicates the degree to which the organization can plan, manage and monitor all its processes/operations through digital elements. Having this digitization of operations will result in improved efficiency, greater control and a reduction in errors. In this criterion, we can find authors who show the importance of digitalization in the supply chain [<a href="#B32-systems-11-00341" class="html-bibr">32</a>], in the automation and industrialization of processes [<a href="#B33-systems-11-00341" class="html-bibr">33</a>] and in the “transformation of existing processes, activities, and actors, as well as introductions of new types of processes, products, and services emerges” [<a href="#B34-systems-11-00341" class="html-bibr">34</a>].</div></li><li><div class='html-p'>IT (Technology): This criterion gives us a vision of the technological capacity of the organization. This is defined by aspects such as the IT tools available, the organization’s architecture or infrastructure, and the connectivity of the IT systems used by the organization (whether they are interconnected and coordinated with each other or are isolated). Many authors base digitalization on the proper use of IT products, infrastructure or solutions. The work [<a href="#B35-systems-11-00341" class="html-bibr">35</a>] defines digital transformation as the use of digital technologies to radically improve the company’s performance. In the same context [<a href="#B36-systems-11-00341" class="html-bibr">36</a>], focuses on the previous IT-enabled business transformations, and [<a href="#B37-systems-11-00341" class="html-bibr">37</a>] emphasizes the concept of the alignment between IT and businesses.</div></li><li><div class='html-p'>AI (Analytics and AI): This criterion shows whether the organization efficiently handles data by identifying and digitizing the company’s key performance indicators (KPIs) and uses them for decision making. In this area, authors have emphasized the connection between digital maturity and digital technologies such as cloud computing, mobile Internet, social media and big data [<a href="#B38-systems-11-00341" class="html-bibr">38</a>]. Other technologies such as IoT, big data analytics and artificial intelligence have also impacted the calculation of the digital maturity level of a company [<a href="#B39-systems-11-00341" class="html-bibr">39</a>]. With the same point of view [<a href="#B40-systems-11-00341" class="html-bibr">40</a>], notes that in several industries, digital transformation is being driven by technologies such as IoT, cybersecurity and artificial intelligence (AI).</div></li></ul></div></section><section id='sec2dot4-systems-11-00341' type=''><h4 class='html-italic' data-nested='2'> 2.4. Fuzzy Logic</h4><div class='html-p'><a href="#systems-11-00341-f006" class="html-fig">Figure 6</a> describes the publications and citations associated with the search variable TS = (FUZZY LOGIC) AND (TS = (CONSENSUS PROCESS) OR TS = (MAKING DECISION GROUP)) in the Web of Science Core Collection including unique criteria of selecting journal article documents and including the entire period available. The aim of this research was to identify the scientific publications related to these concepts. </div><div class='html-p'>The main conclusion of the research above mentioned is that despite the large number of recently published papers on fuzzy logic models, only less than 600 are focused on consensus processes or group decision making (almost all in the last decade).</div><div class='html-p'>That number is further reduced if we search in the same Web of Science database, but specifically for articles on fuzzy logic models applied to consensus processes or group decision making in the business sector, returning only 49 articles (<a href="#systems-11-00341-f007" class="html-fig">Figure 7</a>). TS = (FUZZY LOGIC) AND (TS = (CONSENSUS PROCESS) OR TS = (MAKING DECISION GROUP)) AND (TS = (BUSINESS) OR TS = (ENTERPRISE)).</div><div class='html-p'>Finally, <a href="#systems-11-00341-f008" class="html-fig">Figure 8</a> presents a comprehensive overview of the publications and citations associated with the search variable TS = (DIGITAL MATURITY MODELS) AND TS = (FUZZY LOGIC); when we added the parameter GROUP DECISION OR CONSENSUS PROCESS, we did not find any related papers. As observed, the total number of publications since 2020 amounts to merely fourteen. For these results, we have conducted the research in the Web of Science Core Collection including unique criteria of selecting journal article documents and including the entire period available.</div><div class='html-p'>As we have seen in this section, much has been written about digital transformation and digital maturity models, as well as about models based on digital maturity for decision making. However, a review of the literature on these concepts reveals a clear lack of scientific studies, <a href="#systems-11-00341-t001" class="html-table">Table 1</a> and <a href="#systems-11-00341-t002" class="html-table">Table 2</a>.</div><div class='html-p'>As can be seen in the literature review, the utilization of AHP and 2-tuples in a decision-making process provides a powerful combination that allows addressing complex problems, capturing subjective preferences, and modeling uncertainty more accurately. This helps enhance the quality of decisions made and provides a more comprehensive and sophisticated approach to decision making in various organizational contexts.</div><div class='html-p'>The following section presents the proposed methodology for the creation of a new model that represents an important milestone in the existing literature and will be tested for a real case of Spanish companies.</div></section></section><section id='sec3-systems-11-00341' type='methods'><h2 data-nested='1'> 3. Methodology</h2><div class='html-p'>This section aims to provide a comprehensive theoretical framework for the research. To achieve this objective, the study will utilize the following models: the fuzzy 2-tuple linguistic model (LD2T), the analytic hierarchy process (AHP) and strategies for effectively managing heterogeneous information in the decision-making process [<a href="#B53-systems-11-00341" class="html-bibr">53</a>].</div><div class='html-p'>In some cases, the information needed for decision making is found in different domains of expression. In the case under study, the expression domains to be used are numerical and categorical, so it is essential to address the problem using a fuzzy linguistic domain and thus unify the information management process in the model proposed [<a href="#B54-systems-11-00341" class="html-bibr">54</a>].</div><section id='sec3dot1-systems-11-00341' type=''><h4 class='html-italic' data-nested='2'> 3.1. The 2-Tuple Model (LD2T)</h4><div class='html-p'>A model known as the 2-tuple linguistic representation, which was proposed by F. Herrera and L. Martinez [<a href="#B55-systems-11-00341" class="html-bibr">55</a>], addresses the challenge of mitigating information loss during the computation process with linguistic labels. This model aims to enhance the accuracy of representing information by unifying it into linguistic values. In the following paragraphs, a concise overview of the 2-tuple linguistic representation model and its computation system will be presented. This model aims to improve the accuracy of representing information by consolidating it into linguistic values (<math display='inline'><semantics> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </semantics></math>, <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>)</mo> </mrow> </semantics></math>, where <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>∈</mo> <mi>S</mi> </mrow> </semantics></math> and <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>∈</mo> <mfenced open="[" separators="|"> <mrow> <mo>−</mo> <mn>0.5</mn> <mo>,</mo> <mn>0.5</mn> </mrow> </mfenced> </mrow> </semantics></math>. The membership function selected for the 2-tuple linguistic representation model is typically represented by a triangular function. <a href="#systems-11-00341-f009" class="html-fig">Figure 9</a> depicts an illustrative representation of the domain within <math display='inline'><semantics> <mrow> <mi>S</mi> <mn>5</mn> </mrow> </semantics></math> using this triangular function.</div><div class='html-statement'><b>Definition</b> <b>1.</b> <div class='html-p'><span class='html-italic'>Let us consider a set of linguistic terms,</span> <math display='inline'><semantics> <mrow> <mi>S</mi> <mo>=</mo> <mfenced open="{" close="}" separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mn>0</mn> </mrow> </msub> <mo>,</mo> <mo>…</mo> <mo>,</mo> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>k</mi> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math><span class='html-italic'>, with an odd number of terms, and </span><math display='inline'><semantics> <mrow> <mi>β</mi> <mo>∈</mo> <mfenced open="[" close="]" separators="|"> <mrow> <mn>0</mn> <mo>,</mo> <mi>k</mi> </mrow> </mfenced> <mo>,</mo> </mrow> </semantics></math> <span class='html-italic'>a value within the granularity range of S. Assuming that the labels are represented using triangular functions, the symbolic representation of a linguistic item, </span><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </semantics></math> <span class='html-italic'>is a number within the interval [−0.5, 0.5). This number signifies the disparity between a set of information, indicated by the value </span><math display='inline'><semantics> <mrow> <mi>β</mi> <mo>∈</mo> <mfenced open="[" close="]" separators="|"> <mrow> <mn>0</mn> <mo>,</mo> <mi>k</mi> </mrow> </mfenced> </mrow> </semantics></math><span class='html-italic'>, resulting from a symbolic operation, and its corresponding nearest integer value, </span><math display='inline'><semantics> <mrow> <mi>i</mi> <mo>∈</mo> <mfenced open="{" close="}" separators="|"> <mrow> <mn>0</mn> <mo>,</mo> <mo>…</mo> <mo>,</mo> <mi>k</mi> </mrow> </mfenced> </mrow> </semantics></math>.</div></div><div class='html-statement'><b>Definition</b> <b>2.</b> <div class='html-p'><span class='html-italic'>Let us consider a set of linguistic terms, </span><math display='inline'><semantics> <mrow> <mi>S</mi> <mo>=</mo> <mfenced open="{" close="}" separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mn>0</mn> </mrow> </msub> <mo>,</mo> <mo>…</mo> <mo>,</mo> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>k</mi> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math><span class='html-italic'>, and the set </span><math display='inline'><semantics> <mrow> <mfenced open="⟨" close="⟩" separators="|"> <mrow> <mi>S</mi> </mrow> </mfenced> <mo>=</mo> <mi>S</mi> <mo>×</mo> <mfenced open="[" separators="|"> <mrow> <mo>−</mo> <mn>0.5</mn> <mo>,</mo> <mn>0.5</mn> </mrow> </mfenced> </mrow> </semantics></math><span class='html-italic'>, as well as a value </span><math display='inline'><semantics> <mrow> <mi>β</mi> <mo>∈</mo> <mfenced open="[" close="]" separators="|"> <mrow> <mn>0</mn> <mo>,</mo> <mi>k</mi> </mrow> </mfenced> </mrow> </semantics></math> <span class='html-italic'>that represents the result of a symbolic operation; the linguistic 2-tuple corresponding to β can be achieved through the utilization of the following function:</span><div class='html-disp-formula-info' id='FD1-systems-11-00341'> <div class='f'> <math display='block'><semantics> <mrow> <mrow> <msub> <mrow> <mo>∆</mo> </mrow> <mrow> <mi>S</mi> </mrow> </msub> <mo>:</mo> <mfenced open="[" close="]" separators="|"> <mrow> <mn>0</mn> <mo>,</mo> <mi>k</mi> </mrow> </mfenced> <mo>→</mo> <mfenced open="⟨" close="⟩" separators="|"> <mrow> <mi>S</mi> </mrow> </mfenced> </mrow> <mspace linebreak="newline"/> <mrow> <msub> <mrow> <mo>∆</mo> </mrow> <mrow> <mi>S</mi> </mrow> </msub> <mfenced separators="|"> <mrow> <mi>β</mi> </mrow> </mfenced> <mo>=</mo> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </mfenced> <mo>,</mo> <mo> </mo> <mfenced open="{" close="" separators="|"> <mrow> <mtable> <mtr> <mtd> <mrow> <mi>i</mi> <mo>=</mo> <mi>r</mi> <mi>o</mi> <mi>u</mi> <mi>n</mi> <mi>d</mi> <mfenced separators="|"> <mrow> <mi>β</mi> </mrow> </mfenced> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mi>α</mi> <mo>=</mo> <mi>β</mi> <mo>−</mo> <mi>i</mi> <mo>,</mo> <mi>α</mi> <mi>ϵ</mi> <mfenced open="[" separators="|"> <mrow> <mo>−</mo> <mn>0.5</mn> <mo>,</mo> <mn>0.5</mn> </mrow> </mfenced> <mo>,</mo> </mrow> </mtd> </mtr> </mtable> </mrow> </mfenced> </mrow> </mrow> </semantics></math> </div> <div class='l'> <label >(1)</label> </div> </div><span class='html-italic'>where</span> <math display='inline'><semantics> <mrow> <mi>r</mi> <mi>o</mi> <mi>u</mi> <mi>n</mi> <mi>d</mi> <mfenced separators="|"> <mrow> <mo>·</mo> </mrow> </mfenced> </mrow> </semantics></math> <span class='html-italic'>represents the standard rounding operation, </span><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </semantics></math> <span class='html-italic'>denotes the label with the index closest to</span> <math display='inline'><semantics> <mrow> <mi>β</mi> </mrow> </semantics></math> <span class='html-italic'>and</span> <math display='inline'><semantics> <mrow> <mi>α</mi> </mrow> </semantics></math> <span class='html-italic'>represents the value of the symbolic translation. As a result, a value within the interval</span> <math display='inline'><semantics> <mrow> <mfenced open="[" close="]" separators="|"> <mrow> <mn>0</mn> <mo>,</mo> <mi>k</mi> </mrow> </mfenced> </mrow> </semantics></math> <span class='html-italic'>is linked to a 2-tuple within the set</span> <math display='inline'><semantics> <mrow> <mfenced open="⟨" close="⟩" separators="|"> <mrow> <mi>S</mi> </mrow> </mfenced> </mrow> </semantics></math>.</div></div><div class='html-statement'><b>Definition</b> <b>3.</b> <div class='html-p'><span class='html-italic'>Let </span><math display='inline'><semantics> <mrow> <mi>S</mi> <mo>=</mo> <mfenced open="{" close="}" separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mn>0</mn> </mrow> </msub> <mo>,</mo> <mo>…</mo> <mo>,</mo> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>k</mi> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math> <span class='html-italic'>be a collection of linguistic terms, and </span><math display='inline'><semantics> <mrow> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </mfenced> <mi>ϵ</mi> <mfenced open="⟨" close="⟩" separators="|"> <mrow> <mi>S</mi> </mrow> </mfenced> <mo>=</mo> <mi>S</mi> <mo>×</mo> <mfenced open="[" separators="|"> <mrow> <mo>−</mo> <mn>0.5</mn> <mo>,</mo> <mn>0.5</mn> </mrow> </mfenced> </mrow> </semantics></math> <span class='html-italic'>which represents the linguistic value 2-tuple</span> <math display='inline'><semantics> <mrow> <mfenced open="[" close="]" separators="|"> <mrow> <mn>0</mn> <mo>,</mo> <mi>k</mi> </mrow> </mfenced> </mrow> </semantics></math> <span class='html-italic'>that represents the linguistic value 2-tuple </span><math display='inline'><semantics> <mrow> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math> <span class='html-italic'>can be obtained by employing the following function:</span><div class='html-disp-formula-info' id='FD3-systems-11-00341'> <div class='f'> <math display='block'><semantics> <mrow> <mrow> <msubsup> <mrow> <mo>∆</mo> </mrow> <mrow> <mi>S</mi> </mrow> <mrow> <mo>−</mo> <mn>1</mn> </mrow> </msubsup> <mo>:</mo> <mfenced open="⟨" close="⟩" separators="|"> <mrow> <mi>S</mi> </mrow> </mfenced> <mo>→</mo> <mfenced open="[" close="]" separators="|"> <mrow> <mn>0</mn> <mo>,</mo> <mi>k</mi> </mrow> </mfenced> </mrow> <mspace linebreak="newline"/> <mrow> <msubsup> <mrow> <mo>∆</mo> </mrow> <mrow> <mi>S</mi> </mrow> <mrow> <mo>−</mo> <mn>1</mn> </mrow> </msubsup> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </mfenced> <mo>=</mo> <mi>i</mi> <mo>+</mo> <mi>α</mi> <mo>=</mo> <mi>β</mi> </mrow> </mrow> </semantics></math> </div> <div class='l'> <label >(2)</label> </div> </div></div></div><div class='html-p'>We can analyze the computational model associated with this, and for that purpose, the following operators are defined:</div><div class='html-p'><b><span class='html-italic'>The 2-tuple linguistic comparison operators</span></b>: Given two 2-tuple language values <math display='inline'><semantics> <mrow> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>n</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math> and <math display='inline'><semantics> <mrow> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>m</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>2</mn> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math> representing amounts of information: </div><div class='html-p'><ul class='html-bullet'><li><div class='html-p'>If <math display='inline'><semantics> <mrow> <mi>n</mi> <mo><</mo> <mi>m</mi> </mrow> </semantics></math>, then <math display='inline'><semantics> <mrow> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>n</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math> is less than <math display='inline'><semantics> <mrow> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>m</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>2</mn> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math>.</div></li><li><div class='html-p'>If <math display='inline'><semantics> <mrow> <mi>n</mi> <mo>=</mo> <mi>m</mi> </mrow> </semantics></math>, then </div><div class='html-p'><dl class='html-alpha-lower'><dt id=''>(a)</dt><dd><div class='html-p'>If <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> <mo>=</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>2</mn> </mrow> </msub> </mrow> </semantics></math>, then <math display='inline'><semantics> <mrow> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>n</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math> and <math display='inline'><semantics> <mrow> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>m</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>2</mn> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math> represent the same information.</div></dd><dt id=''>(b)</dt><dd><div class='html-p'>If <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> <mo><</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>2</mn> </mrow> </msub> </mrow> </semantics></math>, then <math display='inline'><semantics> <mrow> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>n</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math> is less than <math display='inline'><semantics> <mrow> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>m</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>2</mn> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math>.</div></dd><dt id=''>(c)</dt><dd><div class='html-p'>If <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> <mo>></mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>2</mn> </mrow> </msub> </mrow> </semantics></math>, then <math display='inline'><semantics> <mrow> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>n</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math> is greater than <math display='inline'><semantics> <mrow> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>m</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>2</mn> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math>.</div></dd></dl></div></li></ul></div><div class='html-p'><b><span class='html-italic'>Aggregation operators for 2-tuple linguistic values:</span></b></div><div class='html-statement'><b>Definition</b> <b>4.</b> <div class='html-p'><span class='html-italic'>Let </span><math display='inline'><semantics> <mrow> <mfenced separators="|"> <mrow> <mo>(</mo> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> </mrow> </mfenced> <mo>,</mo> <mo>…</mo> <mo>,</mo> <mo>(</mo> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>k</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mi>k</mi> </mrow> </msub> <mo>)</mo> <mo>)</mo> </mrow> </semantics></math> <span class='html-italic'>be a set of 2-tuple linguistic values in </span><math display='inline'><semantics> <mrow> <mfenced open="⟨" close="⟩" separators="|"> <mrow> <mi>S</mi> </mrow> </mfenced> </mrow> </semantics></math><span class='html-italic'>, and </span><math display='inline'><semantics> <mrow> <mi>ω</mi> <mo>=</mo> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>ω</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> <mo>,</mo> <mo>…</mo> <mo>,</mo> <msub> <mrow> <mi>ω</mi> </mrow> <mrow> <mi>k</mi> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math> <span class='html-italic'>be their corresponding</span><span class='html-italic'>weights, such that </span><math display='inline'><semantics> <mrow> <mrow> <munderover> <mo stretchy="false">∑</mo> <mrow> <mn>1</mn> </mrow> <mrow> <mi>k</mi> </mrow> </munderover> <mrow> <msub> <mrow> <mi>ω</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>=</mo> <mn>1</mn> </mrow> </mrow> </mrow> </semantics></math><span class='html-italic'>; in this case, the 2-tuple weighted average is</span><span class='html-italic'>defined by </span><math display='inline'><semantics> <mrow> <msup> <mrow> <mi>F</mi> </mrow> <mrow> <mi>ω</mi> </mrow> </msup> <msup> <mrow> <mfenced open="⟨" close="⟩" separators="|"> <mrow> <mi>S</mi> </mrow> </mfenced> </mrow> <mrow> <mi>k</mi> </mrow> </msup> <mo>:</mo> <mo>→</mo> <mfenced open="⟨" close="⟩" separators="|"> <mrow> <mi>S</mi> </mrow> </mfenced> </mrow> </semantics></math><span class='html-italic'>:</span><div class='html-disp-formula-info' id='FD5-systems-11-00341'> <div class='f'> <math display='block'><semantics> <mrow> <msup> <mrow> <mi>F</mi> </mrow> <mrow> <mi>ω</mi> </mrow> </msup> <mfenced separators="|"> <mrow> <mo>(</mo> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> </mrow> </mfenced> <mo>,</mo> <mo>…</mo> <mo>,</mo> <mo stretchy="false">(</mo> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>k</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mi>k</mi> </mrow> </msub> <mo stretchy="false">)</mo> <mo stretchy="false">)</mo> <mo>=</mo> <msub> <mrow> <mo>∆</mo> </mrow> <mrow> <mi>S</mi> </mrow> </msub> <mo stretchy="false">(</mo> <mrow> <munderover> <mo stretchy="false">∑</mo> <mrow> <mn>1</mn> </mrow> <mrow> <mi>k</mi> </mrow> </munderover> <mrow> <msub> <mrow> <mi>ω</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <msubsup> <mrow> <mo>∆</mo> </mrow> <mrow> <mi>S</mi> </mrow> <mrow> <mo>−</mo> <mn>1</mn> </mrow> </msubsup> <mo>(</mo> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>α</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>)</mo> <mo>)</mo> </mrow> </mrow> </mrow> </semantics></math> </div> <div class='l'> <label >(3)</label> </div> </div></div></div></section><section id='sec3dot2-systems-11-00341' type=''><h4 class='html-italic' data-nested='2'> 3.2. AHP Method</h4><div class='html-p'>In everyday life, and particularly in the business world, decision making is a critical process. Complex problems arise daily that are challenging to solve due to the involvement of numerous criteria, sub-criteria, and alternatives [<a href="#B56-systems-11-00341" class="html-bibr">56</a>].</div><div class='html-p'>The decision-making (DM) process involves several crucial factors that need to be taken into consideration. These factors include the number of criteria, the decision environment, and the number of experts [<a href="#B57-systems-11-00341" class="html-bibr">57</a>]. <a href="#systems-11-00341-f010" class="html-fig">Figure 10</a> provides an overview of these factors.</div><ul class='html-bullet'><li><div class='html-p'>Number of criteria: If there is more than one criterion involved, the problem is a multi-criteria decision-making (MCDM) problem. MCDM problems are more intricate to solve compared to problems with a single criterion because they require the integration of information, which often exhibits heterogeneity.</div></li><li><div class='html-p'>Decision environment: The decision environment can be categorized into different types based on the level of knowledge about the factors involved. If all the factors are precisely known, it is an environment of certainty. However, if the available information is imprecise or lacks specificity, it represents a decision problem under uncertainty. Furthermore, if any of the factors involve chance, the environment is considered risky.</div></li><li><div class='html-p'>Number of experts: When multiple experts participate in the decision-making process, complexity is added. Aggregating information from all the experts becomes necessary to solve the problem. However, considering different viewpoints can lead to a more satisfactory solution. This type of decision making is referred to as group decision making (GDM).</div></li></ul><div class='html-p'>These factors significantly impact the decision-making process and should be considered for effective and informed decision making.</div><div class='html-p'>In enterprise environments, multi-criteria decision-making problems involving multiple criteria and experts (MCDM-ME) are commonly encountered.</div><div class='html-p'>One well-known MCDM model is the analytic hierarchy process (AHP) [<a href="#B58-systems-11-00341" class="html-bibr">58</a>]. Developed based on mathematical and psychological principles, the AHP method is specifically designed to tackle complex multi-criteria problems [<a href="#B59-systems-11-00341" class="html-bibr">59</a>].</div><div class='html-p'>The distinguishing characteristic of the AHP model is its hierarchical structure for modeling decision problems. The top level represents the objective to be achieved, followed by criteria and sub-criteria at the second level. The weights of each criterion can be determined in relation to the others through pairwise comparisons. Finally, each criterion is compared with the available alternatives. This allows us to determine the relative importance of one alternative precisely and dynamically over another in the decision problem. After evaluating the contributions of each element to the higher-level elements in the hierarchy, the overall contribution of each alternative towards the primary objective is calculated using an additive aggregation approach [<a href="#B60-systems-11-00341" class="html-bibr">60</a>].</div><div class='html-p'>In the context of the proposed model, the weights of each criterion will be determined, which will ultimately determine the overall maturity status of the SME.</div><div class='html-p'>The entire process is elaborated upon in the subsequent subsections.</div><section id='sec3dot2dot1-systems-11-00341' type=''><h4 class='' data-nested='3'> 3.2.1. Organizing the Decision Model in a Hierarchical Process</h4><div class='html-p'>The AHP method starts by structuring the decision problem into a hierarchy, which aids in organizing and analyzing the problem effectively. This hierarchy breaks down the problem into different levels based on their common characteristics, allowing for a better understanding and evaluation of the decision factors.</div><div class='html-p'>At the highest level of the hierarchy is the objective or target that needs to be achieved. This represents the overarching goal of the decision-making process.</div><div class='html-p'>The second level of the hierarchy comprises a set of criteria, denoted as <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>C</mi> <mo>=</mo> <mo>{</mo> <mi>c</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> <mo>,</mo> <mo>…</mo> <mo>,</mo> <msub> <mrow> <mi>c</mi> </mrow> <mrow> <mo>#</mo> <mi>c</mi> </mrow> </msub> <mo>}</mo> </mrow> </semantics></math>. These criteria represent the key factors or dimensions that need to be considered in the decision. Each criterion can be further subdivided into sub-criteria, represented as <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>c</mi> </mrow> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> </mrow> </semantics></math>, <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>c</mi> </mrow> <mrow> <mn>1</mn> <mi>j</mi> </mrow> </msub> <mo>=</mo> <mfenced open="{" close="}" separators="|"> <mrow> <msub> <mrow> <mi>c</mi> </mrow> <mrow> <mn>11</mn> </mrow> </msub> <mo>,</mo> <mo>…</mo> <mo>,</mo> <msub> <mrow> <mi>c</mi> </mrow> <mrow> <mn>1</mn> <mo>#</mo> <mi mathvariant="normal">C</mi> <mn>1</mn> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math>, using a recursive approach. This subdivision helps in capturing the finer details and specific aspects related to each criterion.</div><div class='html-p'>Finally, the final level of the hierarchy comprises the alternatives, denoted as <math display='inline'><semantics> <mrow> <mi>A</mi> <mo>=</mo> <mfenced open="{" close="}" separators="|"> <mrow> <msub> <mrow> <mi>a</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> <mo>,</mo> <mo>…</mo> <mo>,</mo> <msub> <mrow> <mi>a</mi> </mrow> <mrow> <mn>1</mn> <mo>#</mo> <mi mathvariant="normal">A</mi> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math>. These alternatives represent the available options or choices to be considered in the decision-making process.</div><div class='html-p'><a href="#systems-11-00341-f011" class="html-fig">Figure 11</a> provides a visual representation of the hierarchical structure of the decision problem, illustrating the relationships and interdependencies between the objective, criteria, sub-criteria, and alternatives.</div><div class='html-p'>By structuring the decision problem in this hierarchical manner, the AHP method provides a systematic framework for understanding, analyzing and evaluating complex decision problems. It enables decision-makers to gain insights into the relationships between different elements and facilitates a more comprehensive decision-making process.</div></section><section id='sec3dot2dot2-systems-11-00341' type=''><h4 class='' data-nested='3'> 3.2.2. Setting Criteria and Weighting</h4><div class='html-p'>The AHP method incorporates the opinions of decision-makers to make pairwise comparisons between elements within the same level of the hierarchy. These comparisons entail evaluating the relative importance or preference of one element compared to another with respect to a specific element at a higher level.</div><div class='html-p'>The resulting matrix, called the pairwise comparison matrix (<math display='inline'><semantics> <mrow> <mi>P</mi> <mi>W</mi> </mrow> </semantics></math>), is represented as <math display='inline'><semantics> <mrow> <mi>P</mi> <mi>W</mi> <mo>=</mo> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>p</mi> <mi>w</mi> </mrow> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> </mrow> </mfenced> <mi>n</mi> <mo>×</mo> <mi>n</mi> </mrow> </semantics></math>, where <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>p</mi> <mi>w</mi> </mrow> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> </mrow> </semantics></math> denotes the importance or priority of criterion i relative to criterion j, as evaluated by the decision-makers. The matrix is square with dimensions <math display='inline'><semantics> <mrow> <mi>n</mi> <mo>×</mo> <mi>n</mi> </mrow> </semantics></math>, where n represents the number of elements or criteria being compared.</div><div class='html-p'>To assign values to the matrix entries, a predefined rating scale of numbers is used. These values represent the relative importance or preference of one criterion over another. <a href="#systems-11-00341-t003" class="html-table">Table 3</a> illustrates an example of such a rating scale.</div><div class='html-p'>The entries of the matrix, denoted as <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>p</mi> <mi>w</mi> </mrow> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> </mrow> </semantics></math>, follow specific rules: </div><div class='html-p'><ul class='html-bullet'><li><div class='html-p'>Reciprocity: The importance of criterion <math display='inline'><semantics> <mrow> <mi>i</mi> </mrow> </semantics></math> relative to criterion j is reciprocally related to the importance of criterion <math display='inline'><semantics> <mrow> <mi>j</mi> </mrow> </semantics></math> relative to criterion i. In other words, if criterion <math display='inline'><semantics> <mrow> <mi>i</mi> </mrow> </semantics></math> is considered 3 times more important than criterion <math display='inline'><semantics> <mrow> <mi>j</mi> </mrow> </semantics></math>, then criterion <math display='inline'><semantics> <mrow> <mi>j</mi> </mrow> </semantics></math> is considered one-third as important as criterion <math display='inline'><semantics> <mrow> <mi>i</mi> </mrow> </semantics></math>.</div></li><li><div class='html-p'>Scale Values: The entries of the matrix are assigned values based on the predefined rating scale, indicating the strength of preference or importance between the elements being compared. These values quantify the subjective judgments of the decision-makers.</div></li></ul></div><div class='html-p'>By following these rules and collecting the pairwise comparisons from the decision-makers, the pairwise comparison matrix is constructed, providing a foundation for subsequent calculations and analyses within the AHP method.</div><div class='html-p'>The vector of criteria weights, denoted as <math display='inline'><semantics> <mrow> <mi>w</mi> </mrow> </semantics></math>, is constructed using the eigenvector method, which involves the following equation:<div class='html-disp-formula-info' id='FD6-systems-11-00341'> <div class='f'> <math display='block'><semantics> <mrow> <mrow> <munderover> <mo stretchy="false">∑</mo> <mrow> <mi>j</mi> <mo>=</mo> <mn>1</mn> </mrow> <mrow> <mi>n</mi> </mrow> </munderover> <mrow> <mi>p</mi> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> <msub> <mrow> <mi>ω</mi> </mrow> <mrow> <mi>j</mi> </mrow> </msub> </mrow> </mrow> <mo>=</mo> <mo> </mo> <msub> <mrow> <mi>λ</mi> </mrow> <mrow> <mi>m</mi> <mi>a</mi> <mi>x</mi> </mrow> </msub> <mo>×</mo> <msub> <mrow> <mi>ω</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </semantics></math> </div> <div class='l'> <label >(4)</label> </div> </div> where <math display='inline'><semantics> <mrow> <msub> <mrow> <mi mathvariant="sans-serif">λ</mi> </mrow> <mrow> <mi>m</mi> <mi>a</mi> <mi>x</mi> </mrow> </msub> </mrow> </semantics></math> represents the maximum eigenvalue of PW and <math display='inline'><semantics> <mrow> <mi>w</mi> </mrow> </semantics></math> denotes the normalized eigenvector associated with the principal eigenvalue of PW.</div><div class='html-p'>The consistency ratio (CR) is a measure used to assess the consistency of the analytic hierarchy process (AHP) method. It helps evaluate the reliability of the pairwise comparisons made by the decision-maker during the AHP process:<div class='html-disp-formula-info' id='FD7-systems-11-00341'> <div class='f'> <math display='block'><semantics> <mrow> <mi>C</mi> <mi>R</mi> <mo>=</mo> <mi>C</mi> <mi>I</mi> <mo>/</mo> <mi>R</mi> <mi>I</mi> </mrow> </semantics></math> </div> <div class='l'> <label >(5)</label> </div> </div></div><div class='html-p'>The CR is calculated as the quotient between the consistency index (CI), defined as <math display='inline'><semantics> <mrow> <mfrac> <mrow> <msub> <mrow> <mi>λ</mi> </mrow> <mrow> <mi>m</mi> <mi>a</mi> <mi>x</mi> </mrow> </msub> <mo>−</mo> <mi>n</mi> </mrow> <mrow> <mi>n</mi> <mo>−</mo> <mn>1</mn> </mrow> </mfrac> </mrow> </semantics></math> and the random consistency index (RI) (<a href="#systems-11-00341-t004" class="html-table">Table 4</a>).</div><div class='html-p'>If the calculated consistency ratio (CR) is less than or equal to the predefined consistency limits provided in <a href="#systems-11-00341-t005" class="html-table">Table 5</a>, it indicates that the results of the individual hierarchical comparisons meet the consistency requirements. In this case, the pairwise comparison values are considered acceptable, and consistency is ensured.</div></section><section id='sec3dot2dot3-systems-11-00341' type=''><h4 class='' data-nested='3'> 3.2.3. Evaluate Each Alternative with Respect to the Established Criteria</h4><div class='html-p'>Similarly, to how we have recursively obtained the weights of criteria and sub-criteria, we can apply the same approach to the alternatives by relating each alternative to each criterion. This involves constructing a comparison matrix for the alternatives, where each element represents the weight assigned to one alternative in relation to another alternative for a specific criterion. Let us denote this comparison matrix as <math display='inline'><semantics> <mrow> <mi>W</mi> </mrow> </semantics></math>, with dimensions <math display='inline'><semantics> <mrow> <mi>n</mi> <mo>×</mo> <mi>n</mi> </mrow> </semantics></math>.</div><div class='html-p'>Using the same methodology described earlier, we can calculate the weights of the alternatives by analyzing the pairwise comparisons within each criterion. This process involves obtaining the maximum eigenvalue (<math display='inline'><semantics> <mrow> <msub> <mrow> <mi>λ</mi> </mrow> <mrow> <mi>m</mi> <mi>a</mi> <mi>x</mi> </mrow> </msub> </mrow> </semantics></math>) and the corresponding eigenvector (<math display='inline'><semantics> <mrow> <mi>w</mi> </mrow> </semantics></math>) for each comparison matrix <math display='inline'><semantics> <mrow> <mi>W</mi> </mrow> </semantics></math>. The eigenvector represents the relative weights of the alternatives for the given criterion.</div><div class='html-p'>By repeating this process for each criterion, we can generate a matrix of weights that involves comparing each alternative with every other alternative, considering all the criteria. This matrix of weights allows us to rank the alternatives based on the established weightings.</div><div class='html-p'>The remaining steps of the process are the same as outlined in the previous point. The weights obtained for each alternative are used to calculate their overall contributions towards achieving the primary objective. Finally, a ranking of the alternatives can be derived based on their assigned weights.</div><div class='html-p'>By applying this approach, the decision model provides a systematic and comprehensive evaluation of the alternatives, considering the multiple criteria and their respective weightings. This allows decision-makers to prioritize the alternatives based on their relative importance and make well-informed decisions.</div></section><section id='sec3dot2dot4-systems-11-00341' type=''><h4 class='' data-nested='3'> 3.2.4. Group Decision Making</h4><div class='html-p'>In the final step of the group decision-making process, we utilize the weights assigned to the alternatives based on the expert’s criteria evaluations to determine their overall ranking. The ranking allows us to identify the most suitable alternative that aligns with the research objective.</div></section></section><section id='sec3dot3-systems-11-00341' type=''><h4 class='html-italic' data-nested='2'> 3.3. Treatment of Heterogeneous Information</h4><div class='html-p'>In this study, we aim to unify heterogeneous information using a 2-tuple linguistic information domain [<a href="#B61-systems-11-00341" class="html-bibr">61</a>]. To initiate the unification process, we need to establish the basic set of linguistic terms (CBTL), which will serve as the foundation for the computation and analysis conducted in this study.</div><div class='html-p'>The selection of the CBTL domain, denoted as <math display='inline'><semantics> <mrow> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>−</mo> </mover> <mo>=</mo> <mfenced open="{" close="}" separators="|"> <mrow> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mn>0</mn> </mrow> </msub> <mo>,</mo> <mo>…</mo> <mo>,</mo> <msub> <mrow> <mi>s</mi> </mrow> <mrow> <mi>k</mi> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math>, involves identifying the set of linguistic terms that exhibit the highest level of granularity within the heterogeneous framework [<a href="#B62-systems-11-00341" class="html-bibr">62</a>]. By selecting this set, we guarantee that we preserve the maximum amount of information represented within the linguistic domain. Once the CBTL value has been determined, we proceed with transforming the different expression domains to align with the selected CBTL set.</div><div class='html-p'>Information can be depicted in multiple domains, such as numerical, interval and linguistic [<a href="#B61-systems-11-00341" class="html-bibr">61</a>], as shown in <a href="#systems-11-00341-f012" class="html-fig">Figure 12</a>.</div><div class='html-p'>Through this approach, we aim to achieve a comprehensive and unified representation of heterogeneous information, enabling us to effectively analyze and interpret the data within a common linguistic framework. By aligning the different expression domains with the selected CBTL set, we can facilitate the integration and comparison of information from diverse sources, ultimately leading to more accurate and meaningful insights.</div><section id='sec3dot3dot1-systems-11-00341' type=''><h4 class='' data-nested='3'> 3.3.1. Numerical Domain</h4><div class='html-statement'><b>Definition</b> <b>5.</b> <div class='html-p'><span class='html-italic'>Considering a numerical value </span><math display='inline'><semantics> <mrow> <mi>n</mi> <mo>∈</mo> <mo>[</mo> <mn>0,1</mn> <mo>]</mo> </mrow> </semantics></math> <span class='html-italic'>and a set </span><math display='inline'><semantics> <mrow> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> <mo>=</mo> <mfenced open="{" close="}" separators="|"> <mrow> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mn>0</mn> </mrow> </msub> <mo>,</mo> <mo>…</mo> <mo>,</mo> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>k</mi> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math><span class='html-italic'>, belonging to the CBTL domain, we establish the numerical transformation function, </span><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>T</mi> </mrow> <mrow> <mi>N</mi> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> </mrow> </msub> <mo>:</mo> <mfenced open="[" close="]" separators="|"> <mrow> <mn>0,1</mn> </mrow> </mfenced> <mo>→</mo> <mi>F</mi> <mfenced separators="|"> <mrow> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> </mrow> </mfenced> </mrow> </semantics></math><span class='html-italic'>:</span><div class='html-disp-formula-info' id='FD8-systems-11-00341'> <div class='f'> <math display='block'><semantics> <mrow> <msub> <mrow> <mi>T</mi> </mrow> <mrow> <mi>N</mi> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> </mrow> </msub> <mfenced separators="|"> <mrow> <mi>n</mi> </mrow> </mfenced> <mo>=</mo> <mfenced open="{" close="}" separators="|"> <mrow> <mfenced separators="|"> <mrow> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mn>0</mn> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>γ</mi> </mrow> <mrow> <mn>0</mn> </mrow> </msub> </mrow> </mfenced> <mo>,</mo> <mo>…</mo> <mo>,</mo> <mfenced separators="|"> <mrow> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>k</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>γ</mi> </mrow> <mrow> <mi>k</mi> </mrow> </msub> </mrow> </mfenced> </mrow> </mfenced> <mo>,</mo> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>∈</mo> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> </mrow> </semantics></math> </div> <div class='l'> <label >(6)</label> </div> </div><span class='html-italic'>with</span><div class='html-disp-formula-info' id='FD9-systems-11-00341'> <div class='f'> <math display='block'><semantics> <mrow> <msub> <mrow> <mi>γ</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>=</mo> <msub> <mrow> <mi>μ</mi> </mrow> <mrow> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </msub> <mfenced separators="|"> <mrow> <mi>n</mi> </mrow> </mfenced> <mo>=</mo> <mfenced open="{" close="" separators="|"> <mrow> <mtable> <mtr> <mtd> <mrow> <mn>0</mn> <mo> </mo> <mi>i</mi> <mi>f</mi> <mo> </mo> <mi>n</mi> <mo>∉</mo> <mi>s</mi> <mi>u</mi> <mi>p</mi> <mi>p</mi> <mi>o</mi> <mi>r</mi> <mi>t</mi> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>μ</mi> </mrow> <mrow> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </msub> <mfenced separators="|"> <mrow> <mi>x</mi> </mrow> </mfenced> </mrow> </mfenced> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mfrac> <mrow> <mi>n</mi> <mo>−</mo> <msub> <mrow> <mi>a</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> <mrow> <msub> <mrow> <mi>b</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>−</mo> <msub> <mrow> <mi>a</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </mfrac> <mo> </mo> <mi>i</mi> <mi>f</mi> <mo> </mo> <msub> <mrow> <mi>a</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>≤</mo> <mi>n</mi> <mo>≤</mo> <msub> <mrow> <mi>b</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mfrac> <mrow> <msub> <mrow> <mi>c</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>−</mo> <mi>n</mi> </mrow> <mrow> <msub> <mrow> <mi>c</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>−</mo> <msub> <mrow> <mi>b</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </mfrac> <mo> </mo> <mi>i</mi> <mi>f</mi> <mo> </mo> <msub> <mrow> <mi>b</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>≤</mo> <mi>n</mi> <mo>≤</mo> <msub> <mrow> <mi>c</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </mtd> </mtr> </mtable> </mrow> </mfenced> </mrow> </semantics></math> </div> <div class='l'> <label >(7)</label> </div> </div><span class='html-italic'>where</span> <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>γ</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>=</mo> <msub> <mrow> <mi>μ</mi> </mrow> <mrow> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </msub> <mfenced separators="|"> <mrow> <mi>n</mi> </mrow> </mfenced> <mo>ϵ</mo> </mrow> </semantics></math> <span class='html-italic'>[0, 1] is the degree of association of n and </span><math display='inline'><semantics> <mrow> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </semantics></math> <span class='html-italic'>∈</span><math display='inline'><semantics> <mrow> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> </mrow> </semantics></math>.</div></div></section><section id='sec3dot3dot2-systems-11-00341' type=''><h4 class='' data-nested='3'> 3.3.2. Interval Domain</h4><div class='html-statement'><b>Definition</b> <b>6.</b> <div class='html-p'><span class='html-italic'>Considering a value </span><math display='inline'><semantics> <mrow> <mi>u</mi> <mo>=</mo> <mfenced open="[" close="]" separators="|"> <mrow> <mi>a</mi> <mo>,</mo> <mi>b</mi> </mrow> </mfenced> <mo>∈</mo> <mi>P</mi> <mo>(</mo> <mfenced open="[" close="]" separators="|"> <mrow> <mn>0,1</mn> </mrow> </mfenced> <mo>)</mo> </mrow> </semantics></math> <span class='html-italic'>and a set </span><math display='inline'><semantics> <mrow> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> <mo>=</mo> <mo>{</mo> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mn>0</mn> </mrow> </msub> <mo>,</mo> <mo>…</mo> <mo>,</mo> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>k</mi> </mrow> </msub> <mo>}</mo> </mrow> </semantics></math> <span class='html-italic'>belonging to the CBTL domain, we establish the interval transformation function </span><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>T</mi> </mrow> <mrow> <mi>I</mi> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> </mrow> </msub> <mo>:</mo> <mi>P</mi> <mo>(</mo> <mfenced open="[" close="]" separators="|"> <mrow> <mn>0,1</mn> </mrow> </mfenced> <mo>)</mo> <mo>→</mo> <mi>F</mi> <mfenced separators="|"> <mrow> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> </mrow> </mfenced> </mrow> </semantics></math><span class='html-italic'>:</span><div class='html-disp-formula-info' id='FD10-systems-11-00341'> <div class='f'> <math display='block'><semantics> <mrow> <msub> <mrow> <mi>T</mi> </mrow> <mrow> <mi>I</mi> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> </mrow> </msub> <mfenced separators="|"> <mrow> <mi>u</mi> </mrow> </mfenced> <mo>=</mo> <mo>{</mo> <mfenced separators="|"> <mrow> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>j</mi> </mrow> </msub> <mo>,</mo> <msubsup> <mrow> <mi>γ</mi> </mrow> <mrow> <mi>j</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msubsup> </mrow> </mfenced> <mo>/</mo> <mi>k</mi> <mo>∈</mo> <mo>{</mo> <mn>0</mn> <mo>,</mo> <mo>…</mo> <mo>,</mo> <mi>k</mi> <mo>}</mo> <mo>}</mo> </mrow> </semantics></math> </div> <div class='l'> <label >(8)</label> </div> </div><span class='html-italic'>where </span><math display='inline'><semantics> <mrow> <msubsup> <mrow> <mi>γ</mi> </mrow> <mrow> <mi>k</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msubsup> <mo>=</mo> <msub> <mrow> <mi>m</mi> <mi>a</mi> <mi>x</mi> </mrow> <mrow> <mi>y</mi> </mrow> </msub> <mi>m</mi> <mi>i</mi> <mi>n</mi> <mfenced open="{" close="}" separators="|"> <mrow> <msub> <mrow> <mi>μ</mi> </mrow> <mrow> <mi>I</mi> </mrow> </msub> <mfenced separators="|"> <mrow> <mi>y</mi> </mrow> </mfenced> <mo>,</mo> <msub> <mrow> <mi>μ</mi> </mrow> <mrow> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>k</mi> </mrow> </msub> </mrow> </msub> <mfenced separators="|"> <mrow> <mi>y</mi> </mrow> </mfenced> </mrow> </mfenced> </mrow> </semantics></math><span class='html-italic'>; </span><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>μ</mi> </mrow> <mrow> <mi>I</mi> </mrow> </msub> <mfenced separators="|"> <mrow> <mi>y</mi> </mrow> </mfenced> <mo> </mo> <mi>a</mi> <mi>n</mi> <mi>d</mi> <mo> </mo> <msub> <mrow> <mi>μ</mi> </mrow> <mrow> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>k</mi> </mrow> </msub> </mrow> </msub> <mfenced separators="|"> <mrow> <mi>y</mi> </mrow> </mfenced> </mrow> </semantics></math> <span class='html-italic'>identify the membership functions corresponding to the interval </span><math display='inline'><semantics> <mrow> <mi>I</mi> </mrow> </semantics></math> <span class='html-italic'>and the linguistic terms</span> <math display='inline'><semantics> <mrow> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>k</mi> </mrow> </msub> </mrow> </semantics></math>. <div class='html-disp-formula-info' id='FD11-systems-11-00341'> <div class='f'> <math display='block'><semantics> <mrow> <mrow> <msub> <mrow> <mi>μ</mi> </mrow> <mrow> <mi>I</mi> </mrow> </msub> <mfenced separators="|"> <mrow> <mi>y</mi> </mrow> </mfenced> <mo>=</mo> <mfenced open="{" close="" separators="|"> <mrow> <mtable> <mtr columnalign="left"> <mtd> <mrow> <mn>0</mn> <mo> </mo> <mi>i</mi> <mi>f</mi> <mo> </mo> <mi>y</mi> <mo><</mo> <mi>a</mi> </mrow> </mtd> </mtr> <mtr columnalign="left"> <mtd> <mrow> <mn>1</mn> <mo> </mo> <mi>i</mi> <mi>f</mi> <mo> </mo> <mi>a</mi> <mo>≤</mo> <mi>y</mi> <mo>≤</mo> <mi>b</mi> </mrow> </mtd> </mtr> <mtr columnalign="left"> <mtd> <mrow> <mn>0</mn> <mo> </mo> <mi>i</mi> <mi>f</mi> <mo> </mo> <mi>y</mi> <mo>></mo> <mi>b</mi> </mrow> </mtd> </mtr> </mtable> </mrow> </mfenced> </mrow> <mrow> <mo>;</mo> <mo> </mo> <mi>y</mi> <mo>∈</mo> <mo>[</mo> <mn>0,1</mn> <mo>]</mo> </mrow> </mrow> </semantics></math> </div> <div class='l'> <label >(9)</label> </div> </div></div></div></section><section id='sec3dot3dot3-systems-11-00341' type=''><h4 class='' data-nested='3'> 3.3.3. Linguistic Domain</h4><div class='html-statement'><b>Definition</b> <b>7.</b> <div class='html-p'><span class='html-italic'>Given </span><math display='inline'><semantics> <mrow> <mi>S</mi> <mo>=</mo> <mo>{</mo> <msub> <mrow> <mi>l</mi> </mrow> <mrow> <mn>0</mn> </mrow> </msub> <mo>,</mo> <mo>…</mo> <mo>,</mo> <msub> <mrow> <mi>l</mi> </mrow> <mrow> <mi>h</mi> </mrow> </msub> <mo>}</mo> </mrow> </semantics></math> <span class='html-italic'>and the set that belongs to the CBTL domain </span><math display='inline'><semantics> <mrow> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> <mo>=</mo> <mfenced open="{" close="}" separators="|"> <mrow> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mn>0</mn> </mrow> </msub> <mo>,</mo> <mo>…</mo> <mo>,</mo> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>t</mi> </mrow> </msub> </mrow> </mfenced> <mo>,</mo> </mrow> </semantics></math> <span class='html-italic'>where both sets represent linguistic terms, and </span><math display='inline'><semantics> <mrow> <mi>t</mi> <mo>≥</mo> <mi>h</mi> </mrow> </semantics></math><span class='html-italic'>, the linguistic transformation function </span><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>T</mi> </mrow> <mrow> <mi>S</mi> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> </mrow> </msub> <mo>:</mo> <mi>S</mi> <mo>→</mo> <mi>F</mi> <mfenced separators="|"> <mrow> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> </mrow> </mfenced> </mrow> </semantics></math> <span class='html-italic'>is defined as follows:</span><div class='html-disp-formula-info' id='FD13-systems-11-00341'> <div class='f'> <math display='block'><semantics> <mrow> <msub> <mrow> <mi>T</mi> </mrow> <mrow> <mi>S</mi> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> </mrow> </msub> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>l</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </mfenced> <mo>=</mo> <mo>{</mo> <mfenced separators="|"> <mrow> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>k</mi> </mrow> </msub> <mo>,</mo> <msubsup> <mrow> <mi>γ</mi> </mrow> <mrow> <mi>k</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msubsup> </mrow> </mfenced> <mo>/</mo> <mi>k</mi> <mo>∈</mo> <mfenced open="{" close="}" separators="|"> <mrow> <mn>0</mn> <mo>,</mo> <mo>…</mo> <mo>,</mo> <mi>t</mi> </mrow> </mfenced> <mo>}</mo> <mo>∀</mo> <msub> <mrow> <mi>l</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>∈</mo> <mi>S</mi> </mrow> </semantics></math> </div> <div class='l'> <label >(10)</label> </div> </div><span class='html-italic'>where </span><math display='inline'><semantics> <mrow> <msubsup> <mrow> <mi>γ</mi> </mrow> <mrow> <mi>k</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msubsup> <mo>=</mo> <msub> <mrow> <mi>m</mi> <mi>a</mi> <mi>x</mi> </mrow> <mrow> <mi>y</mi> </mrow> </msub> <mi>m</mi> <mi>i</mi> <mi>n</mi> <mfenced open="{" close="}" separators="|"> <mrow> <msub> <mrow> <mi>μ</mi> </mrow> <mrow> <msub> <mrow> <mi>l</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </msub> <mfenced separators="|"> <mrow> <mi>y</mi> </mrow> </mfenced> <mo>,</mo> <msub> <mrow> <mi>μ</mi> </mrow> <mrow> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>k</mi> </mrow> </msub> </mrow> </msub> <mfenced separators="|"> <mrow> <mi>y</mi> </mrow> </mfenced> </mrow> </mfenced> <mo>,</mo> <mi>i</mi> <mo>=</mo> <mn>0</mn> <mo>,</mo> <mo>…</mo> <mo>,</mo> <mi>t</mi> </mrow> </semantics></math><span class='html-italic'>; </span><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>μ</mi> </mrow> <mrow> <msub> <mrow> <mi>l</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </msub> <mfenced separators="|"> <mrow> <mi>y</mi> </mrow> </mfenced> </mrow> </semantics></math><span class='html-italic'> and </span><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>μ</mi> </mrow> <mrow> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>k</mi> </mrow> </msub> </mrow> </msub> <mfenced separators="|"> <mrow> <mi>y</mi> </mrow> </mfenced> </mrow> </semantics></math> <span class='html-italic'>identify the membership functions corresponding to each term </span><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>l</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mover accent="true"> <mrow> <mi>s</mi> </mrow> <mo>¯</mo> </mover> </mrow> <mrow> <mi>k</mi> </mrow> </msub> </mrow> </semantics></math>.</div></div><div class='html-p'>After unifying the heterogeneous information into a 2-tuple linguistic domain, various specific operations can be applied to the LD2T domain. These operations allow for interpretable results that consolidate the diverse evaluations within a single domain, pertaining to a specific criterion.</div></section></section></section><section id='sec4-systems-11-00341' type=''><h2 data-nested='1'> 4. Proposed Model—Determining the Digital Maturity Level (DML)</h2><div class='html-p'>In this study, based on the related literature, a set of criteria directly related to the level of digital maturity of SMEs has been established. <a href="#systems-11-00341-f013" class="html-fig">Figure 13</a> shows the complete process of determining the level of maturity, based on the assessment of the digital status of a set of SMEs, and introducing additional variables such as the number of employees and digital mentality.</div><div class='html-p'>The proposed new digital maturity level (DML) model in this work is based on determining the digital maturity level of a company by considering the following criteria (selected in <a href="#sec2-systems-11-00341" class="html-sec">Section 2</a>):</div><div class='html-p'><ul class='html-bullet'><li><div class='html-p'>PS (Products/Services): Our products and services are digital or digitized, meaning they leverage digitalization to incorporate new features and provide greater value.</div></li><li><div class='html-p'>CX (Customers): We have digital channels through which we understand the needs and expectations of our customers, as well as their satisfaction level with our value propositions.</div></li><li><div class='html-p'>PO (Processes/Operations): We plan, manage and monitor all key aspects of our operations (both production and support) through digital systems that enhance efficiency and reduce errors.</div></li><li><div class='html-p'>IT (Technology): The various systems operating within the organization are interconnected and operate in a coordinated manner, without overlaps or information silos.</div></li><li><div class='html-p'>AI (Analytics and AI): Efficient handling of data is carried out, with key performance indicators (KPIs) identified and digitized. Data are analyzed and interpreted, and predictive models are developed to assist in decision making.</div></li></ul></div><div class='html-p'>These criteria are used to assess the digital maturity level of a company and provide insights for further improvement and strategic decision making.</div><div class='html-p'>Therefore, the first of the assessments of the company’s digital performance is represented in terms of the parameters described: digital products and services (PS), customer experience (CX), digitalization of organizational processes (PO), integrated technology (IT) and analytics and artificial intelligence (AI); so that the evaluation (<math display='inline'><semantics> <mrow> <mi mathvariant="double-struck">E</mi> </mrow> </semantics></math>), can be expressed as <math display='inline'><semantics> <mrow> <mi>E</mi> <mo>=</mo> <mi>f</mi> <mo>(</mo> <mi>P</mi> <mi>S</mi> <mo>,</mo> <mi>C</mi> <mi>X</mi> <mo>,</mo> <mi>P</mi> <mi>O</mi> <mo>,</mo> <mi>I</mi> <mi>T</mi> <mo>,</mo> <mi>A</mi> <mi>I</mi> <mo>)</mo> </mrow> </semantics></math>.</div><div class='html-p'>Once this first initial assessment has been obtained, we include two additional criteria in the overall evaluation process:</div><div class='html-p'><ul class='html-bullet'><li><div class='html-p'>DM (Digital Mindset): Digitalization is one of the areas towards which we direct a considerable percentage of our activities and innovation resources.</div></li><li><div class='html-p'>NEMP (Number of Employees): Organizations with a higher number of employees tend to have a higher level of digitalization.</div></li></ul></div><div class='html-p'>The overall evaluation (DML) considers two additional criteria weighted with the overall score obtained through the initial evaluation process. These criteria are the number of employees (NEMP) and the digital mindset of the company (DM), so the overall score evaluates not only the digital processes of the company but also factors such as change orientation and the number of employees; <math display='inline'><semantics> <mrow> <mi>D</mi> <mi>M</mi> <mi>L</mi> <mo>=</mo> <mi>f</mi> <mo>(</mo> <mi>D</mi> <mi>M</mi> <mi>L</mi> <mo>,</mo> <mi>N</mi> <mi>E</mi> <mi>M</mi> <mi>P</mi> <mo>,</mo> <mi>D</mi> <mi>M</mi> <mo>)</mo> </mrow> </semantics></math>.</div><div class='html-p'>All the defined criteria in the model are obtained through the information provided by the business specialists of each company. This process helps evaluate the level of digitalization of the company and dynamically weigh the importance of the criteria that make up the model.</div><div class='html-p'>The process is as follows:</div><div class='html-p'><ul class='html-order'><li><div class='html-p'>Data collection.</div></li><li><div class='html-p'>Determine the CBTL expression domain for each criterion and apply the 2-tuple model to the obtained data.</div></li><li><div class='html-p'>Obtain the comprehensive evaluation of each interaction by utilizing the AHP model.</div></li></ul></div><section id='sec4dot1-systems-11-00341' type=''><h4 class='html-italic' data-nested='2'> 4.1. Data Collection</h4><div class='html-p'>The information on each company is collected through an evaluation survey, so for each of the companies that participate in the process, the following information is collected in an <math display='inline'><semantics> <mrow> <mi>S</mi> <mn>5</mn> </mrow> </semantics></math> linguistic domain, obtaining the following data in the first phase:<div class='html-disp-formula-info' id='FD14-systems-11-00341'> <div class='f'> <math display='block'><semantics> <mrow> <mrow> <msub> <mrow> <mi>E</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>=</mo> <mo>{</mo> <mo>(</mo> <msub> <mrow> <mi>e</mi> </mrow> <mrow> <mi mathvariant="normal">i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>P</mi> <mi>S</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>C</mi> <mi>X</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>P</mi> <mi>O</mi> </mrow> <mrow> <mi mathvariant="normal">i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>I</mi> <mi>T</mi> </mrow> <mrow> <mi mathvariant="normal">i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>A</mi> <mi>I</mi> </mrow> <mrow> <mi mathvariant="normal">i</mi> </mrow> </msub> <mo>)</mo> <mo>}</mo> </mrow> <mrow> <mo>;</mo> <mo> </mo> <mi>with</mi> <mo> </mo> <mi>i</mi> <mo>∈</mo> <mn>1</mn> <mo>,</mo> <mo>…</mo> <mo>,</mo> <mo>#</mo> <mi>E</mi> </mrow> </mrow> </semantics></math> </div> <div class='l'> </div> </div></div><div class='html-p'>This represents the detail of each assessment; #<span class='html-italic'>E</span> corresponds to the total number of enterprises, and for each enterprise, <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>e</mi> </mrow> <mrow> <mi mathvariant="normal">i</mi> </mrow> </msub> </mrow> </semantics></math>, we have the following: </div><div class='html-p'><ul class='html-bullet'><li><div class='html-p'><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>P</mi> <mi>S</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </semantics></math>: This criterion represents the evaluation in a 2-tuple domain of the <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>e</mi> </mrow> <mrow> <mi mathvariant="normal">i</mi> </mrow> </msub> </mrow> </semantics></math> company’s assessment of the digitalization of products and/or services.</div></li><li><div class='html-p'><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>C</mi> <mi>X</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </semantics></math>: This criterion represents the evaluation in a 2-tuple domain of the <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>e</mi> </mrow> <mrow> <mi mathvariant="normal">i</mi> </mrow> </msub> </mrow> </semantics></math> company’s assessment of customer experience processes.</div></li><li><div class='html-p'><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>P</mi> <mi>O</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </semantics></math>: This criterion represents the evaluation in a 2-tuple domain of the <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>e</mi> </mrow> <mrow> <mi mathvariant="normal">i</mi> </mrow> </msub> </mrow> </semantics></math> company’s assessment of the digitalization of its operational processes.</div></li><li><div class='html-p'><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>I</mi> <mi>T</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </semantics></math>: This criterion represents the 2-tuple domain evaluation of the <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>e</mi> </mrow> <mrow> <mi mathvariant="normal">i</mi> </mrow> </msub> </mrow> </semantics></math> company’s assessment of the integration of company information through connected technology tools.</div></li><li><div class='html-p'><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>A</mi> <mi>I</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </semantics></math>: This criterion represents the evaluation in a 2-tuple domain of the <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>e</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </semantics></math> company’s assessment of the business analytics and artificial intelligence processes.</div></li></ul></div><div class='html-p'>In this paper, and considering the use case, the scale utilized will comprise five values <math display='inline'><semantics> <mrow> <mo>{</mo> <mi>v</mi> <mi>e</mi> <mi>r</mi> <mi>y</mi> <mi>l</mi> <mi>o</mi> <mi>w</mi> <mo>,</mo> <mi>l</mi> <mi>o</mi> <mi>w</mi> <mo>,</mo> <mi>m</mi> <mi>o</mi> <mi>d</mi> <mi>e</mi> <mi>r</mi> <mi>a</mi> <mi>t</mi> <mi>e</mi> <mo>,</mo> <mi>h</mi> <mi>i</mi> <mi>g</mi> <mi>h</mi> <mo>,</mo> <mi>v</mi> <mi>e</mi> <mi>r</mi> <mi>y</mi> <mi>h</mi> <mi>i</mi> <mi>g</mi> <mi>h</mi> <mo>}</mo> </mrow> </semantics></math>. Since this scale is linguistic in nature, we will model it using the set <math display='inline'><semantics> <mrow> <mi>S</mi> </mrow> </semantics></math>.</div></section><section id='sec4dot2-systems-11-00341' type=''><h4 class='html-italic' data-nested='2'> 4.2. CBTL Domain, Score Computation</h4><div class='html-p'>In this step, we calculate the 2-tuple scores for the set of linguistic terms. <div class='html-disp-formula-info' id='FD16-systems-11-00341'> <div class='f'> <math display='block'><semantics> <mrow> <mi>E</mi> <mo>=</mo> <mo>{</mo> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>e</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>P</mi> <mi>S</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>C</mi> <mi>X</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>P</mi> <mi>O</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>I</mi> <mi>T</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>A</mi> <mi>I</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> </mrow> </mfenced> <mo>,</mo> <mo>…</mo> <mo>,</mo> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>e</mi> </mrow> <mrow> <mo>#</mo> <mi mathvariant="normal">E</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>P</mi> <mi>S</mi> </mrow> <mrow> <mo>#</mo> <mi mathvariant="normal">E</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>C</mi> <mi>X</mi> </mrow> <mrow> <mo>#</mo> <mi mathvariant="normal">E</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>P</mi> <mi>O</mi> </mrow> <mrow> <mo>#</mo> <mi mathvariant="normal">E</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>I</mi> <mi>T</mi> </mrow> <mrow> <mo>#</mo> <mi mathvariant="normal">E</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>A</mi> <mi>I</mi> </mrow> <mrow> <mo>#</mo> <mi mathvariant="normal">E</mi> </mrow> </msub> </mrow> </mfenced> <mo>}</mo> </mrow> </semantics></math> </div> <div class='l'> </div> </div></div><div class='html-p'>For each company, we need to calculate the variables <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>P</mi> <mi>S</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>C</mi> <mi>X</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>P</mi> <mi>O</mi> </mrow> <mrow> <mi mathvariant="normal">i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>I</mi> <mi>T</mi> </mrow> <mrow> <mi mathvariant="normal">i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>A</mi> <mi>I</mi> </mrow> <mrow> <mi mathvariant="normal">i</mi> </mrow> </msub> <mo>∈</mo> <mi>S</mi> <mo>×</mo> <mfenced open="[" separators="|"> <mrow> <mo>−</mo> <mn>0.5</mn> <mo>,</mo> <mn>0.5</mn> </mrow> </mfenced> </mrow> </semantics></math>. These variables are defined within the linguistic domain <math display='inline'><semantics> <mrow> <mi>S</mi> <mn>5</mn> </mrow> </semantics></math>. Since the variables are already in the desired linguistic domain, no additional transformation is required. However, we will convert this domain into 2-tuple linguistic variables to effectively utilize the computational model for 2-tuple linguistic values.</div><div class='html-p'>Therefore, we must calculate the following variables: <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>P</mi> <mi>S</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>C</mi> <mi>X</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>P</mi> <mi>O</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>I</mi> <mi>T</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>A</mi> <mi>I</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>∈</mo> <mi>S</mi> <mo>×</mo> <mfenced open="[" separators="|"> <mrow> <mo>−</mo> <mn>0.5</mn> <mo>,</mo> <mn>0.5</mn> </mrow> </mfenced> </mrow> </semantics></math>. For each company <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>e</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </semantics></math>, we obtain <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>A</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>=</mo> <mfenced separators="|"> <mrow> <msub> <mrow> <mi>A</mi> </mrow> <mrow> <mi>e</mi> <mn>1</mn> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>A</mi> </mrow> <mrow> <mi>e</mi> <mn>2</mn> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>A</mi> </mrow> <mrow> <mi>e</mi> <mn>3</mn> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>A</mi> </mrow> <mrow> <mi>e</mi> <mn>4</mn> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>A</mi> </mrow> <mrow> <mi>e</mi> <mn>5</mn> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math> with <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>A</mi> </mrow> <mrow> <mi>e</mi> <mn>1</mn> </mrow> </msub> <mo>=</mo> <msub> <mrow> <mi>P</mi> <mi>S</mi> </mrow> <mrow> <mi>e</mi> </mrow> </msub> <mo>,</mo> <mo> </mo> <msub> <mrow> <mi>A</mi> </mrow> <mrow> <mi>e</mi> <mn>2</mn> </mrow> </msub> <mo>=</mo> <msub> <mrow> <mi>C</mi> <mi>X</mi> </mrow> <mrow> <mi>e</mi> </mrow> </msub> <mo>,</mo> <mo> </mo> <msub> <mrow> <mi>A</mi> </mrow> <mrow> <mi>e</mi> <mn>3</mn> </mrow> </msub> <mo>=</mo> <msub> <mrow> <mi>P</mi> <mi>O</mi> </mrow> <mrow> <mi>e</mi> </mrow> </msub> <mo>,</mo> <mo> </mo> <msub> <mrow> <mi>A</mi> </mrow> <mrow> <mi>e</mi> <mn>4</mn> </mrow> </msub> <mo>=</mo> <msub> <mrow> <mi>I</mi> <mi>T</mi> </mrow> <mrow> <mi>e</mi> </mrow> </msub> <mo>,</mo> <mo> </mo> <msub> <mrow> <mi>A</mi> </mrow> <mrow> <mi>e</mi> <mn>5</mn> </mrow> </msub> <mo>=</mo> <msub> <mrow> <mi>A</mi> <mi>I</mi> </mrow> <mrow> <mi>e</mi> </mrow> </msub> </mrow> </semantics></math>.</div></section><section id='sec4dot3-systems-11-00341' type=''><h4 class='html-italic' data-nested='2'> 4.3. DML, Overall Score</h4><div class='html-p'>In this step, the value of 2-tuple <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>E</mi> </mrow> <mrow> <mi>e</mi> </mrow> </msub> </mrow> </semantics></math>, which characterizes the score of each evaluation <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>P</mi> <mi>S</mi> </mrow> <mrow> <mi>e</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>C</mi> <mi>X</mi> </mrow> <mrow> <mi>e</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>P</mi> <mi>O</mi> </mrow> <mrow> <mi>e</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>I</mi> <mi>T</mi> </mrow> <mrow> <mi>e</mi> </mrow> </msub> </mrow> </semantics></math>, <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>A</mi> <mi>I</mi> </mrow> <mrow> <mi>e</mi> </mrow> </msub> </mrow> </semantics></math>, is calculated for each customer using Equation (3), in such a way that <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>E</mi> </mrow> <mrow> <mi>e</mi> </mrow> </msub> <mo>=</mo> <msub> <mrow> <mi>D</mi> <mi>M</mi> <mi>L</mi> </mrow> <mrow> <mi>e</mi> </mrow> </msub> <mo>=</mo> <msup> <mrow> <mi>F</mi> </mrow> <mrow> <mi>ω</mi> </mrow> </msup> <mfenced open="[" close="]" separators="|"> <mrow> <msub> <mrow> <mi>A</mi> </mrow> <mrow> <mi>e</mi> <mi>i</mi> </mrow> </msub> </mrow> </mfenced> </mrow> </semantics></math>.</div><div class='html-p'>We will structure the group decision problem using a hierarchical model (AHP) and then create the pairwise comparison matrix, represented by Equation (4), to obtain the vector of weights for each variable, <math display='inline'><semantics> <mrow> <mi>W</mi> <mo>=</mo> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>P</mi> <mi>S</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>C</mi> <mi>X</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>P</mi> <mi>O</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>I</mi> <mi>T</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>A</mi> <mi>I</mi> </mrow> </msub> </mrow> </semantics></math>. This structured approach ensures that the decision reflects the collective preferences and judgments of the experts, leading to more informed and reliable decision outcomes.</div><div class='html-p'>Once this first evaluation has been carried out, it is necessary to complete the overall evaluation with the additional criteria, number of employees (NEMP) and digital mindset (DM). The first criterion is in a numerical domain, so it will be necessary to transform it to a 2-tuple linguistic domain in <math display='inline'><semantics> <mrow> <mi>S</mi> <mn>5</mn> </mrow> </semantics></math>, Equation (6). The second is in an <math display='inline'><semantics> <mrow> <mi>S</mi> <mn>5</mn> </mrow> </semantics></math> domain, so no transformation will be necessary.</div><div class='html-p'>The CBTL domain is defined to incorporate the criteria for the decision-making process. In this case, we have the following criteria:</div><div class='html-p'><ul class='html-bullet'><li><div class='html-p'><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>E</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </semantics></math>: This criterion represents the overall score obtained from the DML model. It is categorized within the fuzzy domain <math display='inline'><semantics> <mrow> <mi>F</mi> <mo stretchy="false">(</mo> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> <mo stretchy="false">)</mo> <mo>=</mo> <mo stretchy="false">{</mo> <mi>v</mi> <mi>e</mi> <mi>r</mi> <mi>y</mi> <mi>l</mi> <mi>o</mi> <mi>w</mi> <mo>,</mo> <mi>l</mi> <mi>o</mi> <mi>w</mi> <mo>,</mo> <mi>m</mi> <mi>e</mi> <mi>d</mi> <mi>i</mi> <mi>u</mi> <mi>m</mi> <mo>,</mo> <mi>h</mi> <mi>i</mi> <mi>g</mi> <mi>h</mi> <mo>,</mo> <mi>v</mi> <mi>e</mi> <mi>r</mi> <mi>y</mi> <mi>h</mi> <mi>i</mi> <mi>g</mi> <mi>h</mi> <mo stretchy="false">}</mo> </mrow> </semantics></math>.</div></li><li><div class='html-p'><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>N</mi> <mi>E</mi> <mi>M</mi> <mi>P</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </semantics></math>: This criterion represents the number of employees; it is expressed in a numeric domain and transformed to the fuzzy domain using the function <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>T</mi> </mrow> <mrow> <mi>N</mi> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> </mrow> </msub> <mo>:</mo> <mfenced open="[" close="]" separators="|"> <mrow> <mn>0,1</mn> </mrow> </mfenced> <mo>→</mo> <mi>F</mi> <mfenced separators="|"> <mrow> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> </mrow> </mfenced> </mrow> </semantics></math>, as described in Equation (6).</div></li><li><div class='html-p'><math display='inline'><semantics> <mrow> <msub> <mrow> <mi>D</mi> <mi>M</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </semantics></math>: This criterion represents the digital mindset and is categorized within a linguistic domain <math display='inline'><semantics> <mrow> <mi>S</mi> <mn>5</mn> </mrow> </semantics></math>.</div></li></ul></div><div class='html-p'>Once the criteria have been identified, we will carry out a process of unification of heterogeneous information and bring it into the defined CBTL domain (<math display='inline'><semantics> <mrow> <mi>S</mi> <mn>5</mn> </mrow> </semantics></math>). This ensures that all criteria are in a consistent linguistic representation.</div><div class='html-p'>After the unification process, the group of experts determines the weights assigned to each criterion, facilitating the consensus in group decision making. This collaborative approach ensures that the final decision reflects the collective expertise and perspectives of the experts involved. By considering the input of multiple stakeholders, the decision-making process becomes more comprehensive and balanced, leading to more robust and informed outcomes. These weights are denoted as <math display='inline'><semantics> <mrow> <mi>W</mi> <mo>=</mo> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>D</mi> <mi>M</mi> <mi>L</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>N</mi> <mi>E</mi> <mi>M</mi> <mi>P</mi> </mrow> </msub> <mo>,</mo> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>D</mi> <mi>M</mi> </mrow> </msub> </mrow> </semantics></math>.</div><div class='html-p'>Finally, recommendations will be made based on the overall score obtained for each company.</div></section></section><section id='sec5-systems-11-00341' type=''><h2 data-nested='1'> 5. DML Model, Practical Application</h2><div class='html-p'>In this section, we will provide an illustrative example of applying the new DML model to two different segments: micro-SMEs (10–49 employees) and medium-sized enterprises (50–249 employees). The dataset consists of 1228 enterprises in the micro-SME segment and 200 records in the medium-sized enterprise segment. We will use this dataset to demonstrate the application and effectiveness of the DML model in evaluating the digital maturity level of companies in these segments.</div><section id='sec5dot1-systems-11-00341' type=''><h4 class='html-italic' data-nested='2'> 5.1. Data Collection</h4><div class='html-p'>The information collected for testing the performance of the proposed model is shown in <a href="#systems-11-00341-f014" class="html-fig">Figure 14</a> and <a href="#systems-11-00341-f015" class="html-fig">Figure 15</a>.</div><div class='html-p'>The exploratory analysis of the initial data reveals that the average evaluation of companies with 10–49 employees indicate left-skewed digitalization values for the variables PS, CX, PO, IT and AI. On the other hand, companies with between 50 and 249 employees exhibit centered digitalization values, with the digitalization process expanding as the number of employees increases. When computing the overall evaluation variables <math display='inline'><semantics> <mrow> <mi>E</mi> <mi>V</mi> <mi>A</mi> <mi>L</mi> <mo>=</mo> <mrow> <munderover> <mo stretchy="false">∑</mo> <mrow> <mn>1</mn> </mrow> <mrow> <mi>n</mi> </mrow> </munderover> <mrow> <msub> <mrow> <mi>P</mi> <mi>S</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>+</mo> <msub> <mrow> <mi>C</mi> <mi>X</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>+</mo> </mrow> </mrow> <msub> <mrow> <mi>P</mi> <mi>O</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>+</mo> <msub> <mrow> <mi>I</mi> <mi>T</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> <mo>+</mo> <msub> <mrow> <mi>A</mi> <mi>I</mi> </mrow> <mrow> <mi>i</mi> </mrow> </msub> </mrow> </semantics></math> without utilizing weight matrices, the distributions shown in <a href="#systems-11-00341-f016" class="html-fig">Figure 16</a> can be observed.</div></section><section id='sec5dot2-systems-11-00341' type=''><h4 class='html-italic' data-nested='2'> 5.2. CBTL Domain, Score Computation</h4><div class='html-p'>After grouping the variables into a linguistic domain in <math display='inline'><semantics> <mrow> <mi>S</mi> <mn>5</mn> </mrow> </semantics></math>, we obtained the following results for an initial range of 15 companies in the micro-SME group (10–49 employees), shown in <a href="#systems-11-00341-t006" class="html-table">Table 6</a>, and in the SME group (50–249 employees), shown in <a href="#systems-11-00341-t007" class="html-table">Table 7</a>.</div></section><section id='sec5dot3-systems-11-00341' type=''><h4 class='html-italic' data-nested='2'> 5.3. DML, Overall Score</h4><div class='html-p'>In this phase, it is necessary to determine the relative significance of each feature in the DML model before calculating the overall interaction score. To achieve this, we will employ the AHP model, as mentioned earlier.</div><div class='html-p'>Using the Saaty scale, the expert group consulted for consensus has provided the following matrix (<a href="#systems-11-00341-t003" class="html-table">Table 3</a>):<div class='html-disp-formula-info' id='FD17-systems-11-00341'> <div class='f'> <math display='block'><semantics> <mrow> <mi mathvariant="normal">P</mi> <mi mathvariant="normal">W</mi> <mo>=</mo> <mo> </mo> <mfenced open="[" close="]" separators="|"> <mrow> <mtable> <mtr> <mtd/> <mtd> <mi>P</mi> <mi>S</mi> </mtd> <mtd> <mi>C</mi> <mi>X</mi> </mtd> <mtd> <mi>P</mi> <mi>O</mi> </mtd> <mtd> <mi>I</mi> <mi>T</mi> </mtd> <mtd> <mi>A</mi> <mi>I</mi> </mtd> </mtr> <mtr> <mtd> <mi>P</mi> <mi>S</mi> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> <mo>/</mo> <mn>3</mn> </mtd> <mtd> <mn>1</mn> <mo>/</mo> <mn>5</mn> </mtd> <mtd> <mn>1</mn> <mo>/</mo> <mn>3</mn> </mtd> <mtd> <mn>1</mn> <mo>/</mo> <mn>3</mn> </mtd> </mtr> <mtr> <mtd> <mi>C</mi> <mi>X</mi> </mtd> <mtd> <mn>3</mn> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> <mo>/</mo> <mn>3</mn> </mtd> <mtd> <mn>3</mn> </mtd> <mtd> <mn>1</mn> </mtd> </mtr> <mtr> <mtd> <mi>P</mi> <mi>O</mi> </mtd> <mtd> <mn>5</mn> </mtd> <mtd> <mn>3</mn> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>3</mn> </mtd> <mtd> <mn>3</mn> </mtd> </mtr> <mtr> <mtd> <mi>I</mi> <mi>T</mi> </mtd> <mtd> <mn>3</mn> </mtd> <mtd> <mn>1</mn> <mo>/</mo> <mn>3</mn> </mtd> <mtd> <mn>1</mn> <mo>/</mo> <mn>3</mn> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> </mtr> <mtr> <mtd> <mi>A</mi> <mi>I</mi> </mtd> <mtd> <mn>3</mn> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> <mo>/</mo> <mn>3</mn> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> </mtr> </mtable> </mrow> </mfenced> </mrow> </semantics></math> </div> <div class='l'> </div> </div></div><div class='html-p'>The individual hierarchical results are considered satisfactory, and consistency is ensured only when <math display='inline'><semantics> <mrow> <mi>C</mi> <mi>R</mi> <mo>≤</mo> <mn>0.09</mn> </mrow> </semantics></math> (as indicated in Equation (5)). In this case, <math display='inline'><semantics> <mrow> <mi>C</mi> <mi>R</mi> <mo>=</mo> <mn>0.051</mn> </mrow> </semantics></math>, confirming the validity of the model’s results.</div><div class='html-p'>The final calculated weights are as follows: <math display='inline'><semantics> <mrow> <mi>W</mi> <mo>=</mo> <mo>{</mo> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>P</mi> <mi>S</mi> </mrow> </msub> <mo>=</mo> <mn>0.062</mn> <mo>,</mo> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>C</mi> <mi>X</mi> </mrow> </msub> <mo>=</mo> <mn>0.209</mn> <mo>,</mo> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>P</mi> <mi>O</mi> </mrow> </msub> <mo>=</mo> <mn>0.430</mn> <mo>,</mo> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>I</mi> <mi>T</mi> </mrow> </msub> <mo>=</mo> <mn>0.138</mn> <mo>,</mo> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>A</mi> <mi>I</mi> </mrow> </msub> <mo>=</mo> <mn>0.161</mn> <mo>}</mo> </mrow> </semantics></math>. Therefore, the experts have assigned greater importance to process digitization, followed by enhancing customer experience, analytical capabilities, information integration and product/service digitalization.</div><div class='html-p'><a href="#systems-11-00341-t008" class="html-table">Table 8</a> and <a href="#systems-11-00341-t009" class="html-table">Table 9</a> show the overall scores of the DML model, for micro-SME and SME segments.</div><div class='html-p'>Next, we will introduce the variables number of employees (NEMP) and company digital mindset (MD) and perform the following steps:</div><div class='html-p'><ul class='html-bullet'><li><div class='html-p'>First, <a href="#systems-11-00341-t010" class="html-table">Table 10</a> and <a href="#systems-11-00341-t011" class="html-table">Table 11</a> show the overall assessment values obtained in the previous step, and the number of employees and the digital mindset of 15 companies are added.</div></li><li><div class='html-p'>Second, the AHP matrix is applied to obtain the weights for each of the above variables.</div></li><li><div class='html-p'>Third, as shown in <a href="#systems-11-00341-t012" class="html-table">Table 12</a> and <a href="#systems-11-00341-t013" class="html-table">Table 13</a> we obtain the overall score, extended DML, of each company in 2-tuple.</div></li><li><div class='html-p'>Finally, we derive a definition of clusters for each of the business segments and make recommendations per cluster.</div></li></ul></div><div class='html-p'>In this case, the digital evaluation (<math display='inline'><semantics> <mrow> <mi>D</mi> <mi>M</mi> <mi>L</mi> </mrow> </semantics></math>) and the digital mindset (<math display='inline'><semantics> <mrow> <mi>D</mi> <mi>M</mi> </mrow> </semantics></math>) are in a fuzzy domain <math display='inline'><semantics> <mrow> <mi>F</mi> <mo>(</mo> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> <mo>)</mo> <mo>,</mo> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> <mo>=</mo> <mo>{</mo> <mi>v</mi> <mi>e</mi> <mi>r</mi> <mi>y</mi> <mi>l</mi> <mi>o</mi> <mi>w</mi> <mo>,</mo> <mi>l</mi> <mi>o</mi> <mi>w</mi> <mo>,</mo> <mi>m</mi> <mi>o</mi> <mi>d</mi> <mi>e</mi> <mi>r</mi> <mi>a</mi> <mi>t</mi> <mi>e</mi> <mo>,</mo> <mi>h</mi> <mi>i</mi> <mi>g</mi> <mi>h</mi> <mo>,</mo> <mi>v</mi> <mi>e</mi> <mi>r</mi> <mi>y</mi> <mi>h</mi> <mi>i</mi> <mi>g</mi> <mi>h</mi> <mo>}</mo> </mrow> </semantics></math>, and the number of employees (<math display='inline'><semantics> <mrow> <mi>N</mi> <mi>E</mi> <mi>M</mi> <mi>P</mi> </mrow> </semantics></math>) is in a numerical domain <math display='inline'><semantics> <mrow> <msub> <mrow> <mi>T</mi> </mrow> <mrow> <mi>N</mi> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> </mrow> </msub> <mo>:</mo> <mfenced open="[" close="]" separators="|"> <mrow> <mn>0,1</mn> </mrow> </mfenced> <mo>→</mo> <mi>F</mi> <mfenced separators="|"> <mrow> <mover accent="true"> <mrow> <mi>S</mi> </mrow> <mo>¯</mo> </mover> </mrow> </mfenced> </mrow> </semantics></math>; thus, we will apply Equation (6).</div><div class='html-p'>In this stage, we need to determine the relative importance of each variable in the extended DML model. To achieve this, the AHP model will be utilized.</div><div class='html-p'>The consulted experts have provided the following matrix using the Saaty scale (<a href="#systems-11-00341-t003" class="html-table">Table 3</a>):<div class='html-disp-formula-info' id='FD18-systems-11-00341'> <div class='f'> <math display='block'><semantics> <mrow> <mi mathvariant="normal">P</mi> <mi mathvariant="normal">W</mi> <mo>=</mo> <mo> </mo> <mfenced open="[" close="]" separators="|"> <mrow> <mtable> <mtr> <mtd/> <mtd> <mi>D</mi> <mi>M</mi> <mi>L</mi> </mtd> <mtd> <mi>D</mi> <mi>M</mi> </mtd> <mtd> <mi>N</mi> <mi>E</mi> <mi>M</mi> <mi>P</mi> </mtd> </mtr> <mtr> <mtd> <mi>D</mi> <mi>M</mi> <mi>L</mi> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>3</mn> </mtd> </mtr> <mtr> <mtd> <mi>D</mi> <mi>M</mi> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>3</mn> </mtd> </mtr> <mtr> <mtd> <mi>N</mi> <mi>E</mi> <mi>M</mi> <mi>P</mi> </mtd> <mtd> <mn>1</mn> <mo>/</mo> <mn>3</mn> </mtd> <mtd> <mn>1</mn> <mo>/</mo> <mn>3</mn> </mtd> <mtd> <mn>1</mn> </mtd> </mtr> </mtable> </mrow> </mfenced> </mrow> </semantics></math> </div> <div class='l'> </div> </div></div><div class='html-p'>The individual hierarchical results are considered satisfactory, and consistency is ensured only when <math display='inline'><semantics> <mrow> <mi>C</mi> <mi>R</mi> <mo>≤</mo> <mn>0.05</mn> </mrow> </semantics></math> (as indicated in Equation (5)). In this case, <math display='inline'><semantics> <mrow> <mi>C</mi> <mi>R</mi> <mo>=</mo> <mn>0.002</mn> </mrow> </semantics></math>, confirming the validity of the model’s results.</div><div class='html-p'>The final weights calculated are <math display='inline'><semantics> <mrow> <mi>W</mi> <mo>=</mo> <mo>{</mo> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>D</mi> <mi>M</mi> <mi>L</mi> </mrow> </msub> <mo>=</mo> <mn>0.429</mn> <mo>,</mo> <mo> </mo> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>D</mi> <mi>L</mi> </mrow> </msub> <mo>=</mo> <mn>0.429</mn> <mo>,</mo> <mo> </mo> <msub> <mrow> <mi>w</mi> </mrow> <mrow> <mi>N</mi> <mi>E</mi> <mi>M</mi> <mi>P</mi> </mrow> </msub> <mo>=</mo> <mn>0.143</mn> <mo>}</mo> </mrow> </semantics></math>.</div><div class='html-p'>As a result, the experts have assigned higher importance to digital assessment, followed by digital literacy, and finally the number of employees. We now calculate the overall valuation from the weight matrix.</div><div class='html-p'>The described procedure allows for obtaining individual scores based on the selected criteria. However, the objective of this article is to propose a working methodology that can be extended to include a greater number of criteria, sub-criteria, different domains of numerical and linguistic representation, and multiple decision-makers. Consequently, it can be applied to determine the level of digitalization of any company.</div><div class='html-p'>The described criteria provide a roadmap for how any company can digitally evolve and, therefore, assist small and medium-sized enterprises in taking the next steps in their digitalization process.</div></section><section id='sec5dot4-systems-11-00341' type=''><h4 class='html-italic' data-nested='2'> 5.4. DML, Clustering</h4><div class='html-p'>The variables of the extended DML model are expressed in a 2-tuple format, which allows for easy interpretation and aggregation processes without loss of information. Conventional clustering work involves working on a numerical domain, for which we will use the function <math display='inline'><semantics> <mrow> <msup> <mrow> <mo>∆</mo> </mrow> <mrow> <mo>−</mo> <mn>1</mn> </mrow> </msup> </mrow> </semantics></math>, described in Equation (2).</div><div class='html-p'>The two clusters applied using the k-means algorithm are shown in <a href="#systems-11-00341-t014" class="html-table">Table 14</a> and <a href="#systems-11-00341-t015" class="html-table">Table 15</a>, although we have analyzed the correlation between variables before applying k-means, since a high correlation determines the inappropriateness of using Euclidean distance. The correlation matrix is shown in <a href="#systems-11-00341-f017" class="html-fig">Figure 17</a>, for each of the selected company segments.</div><div class='html-p'>In companies with 10 to 49 employees, the clusters identified are focused on a low digitalization assessment, although the distinction between clusters is made by the number of employees, and above all, an important role is played by the digital mindset, as generating a culture open to sharing and collaboration is fundamental for the growth of any digitalization process.</div><div class='html-p'>The same clusters are also identified in the sample of medium-sized companies (50 to 249 employees), the only significant difference being the level of digital maturity, which is in the middle range. <a href="#systems-11-00341-f018" class="html-fig">Figure 18</a> shows a graphical representation of the clusters obtained.</div></section></section><section id='sec6-systems-11-00341' type='discussion'><h2 data-nested='1'> 6. Discussion</h2><div class='html-p'>The process utilized enables the generation of an individual assessment score for the digital maturity level of each company. The flexibility of the model, which incorporates AHP and fuzzy models, allows for customization of the weight assignment process, the introduction of new criteria, and an enhanced decision-making process involving multiple experts [<a href="#B63-systems-11-00341" class="html-bibr">63</a>]. This adaptability ensures that the model can be tailored to specific requirements and evolving business contexts.</div><div class='html-p'>Furthermore, the obtained score should guide the company towards the next steps of digitalization required to become a digital champion, as well as the technological tools to be implemented. An important milestone in this process is the integration of all company information, both internal, such as enterprise resource planning (ERP) [<a href="#B64-systems-11-00341" class="html-bibr">64</a>,<a href="#B65-systems-11-00341" class="html-bibr">65</a>] and customer relationship management (CRM) [<a href="#B66-systems-11-00341" class="html-bibr">66</a>], and external, through other sources of information beyond the organization, such as social media networks. This enables a 360° evaluation of market knowledge, customers and suppliers.</div><div class='html-p'>The clusters defined in <a href="#systems-11-00341-t014" class="html-table">Table 14</a> and <a href="#systems-11-00341-t015" class="html-table">Table 15</a> have been obtained, and they can continue to grow as more information becomes available from companies willing to participate in this study. The clusters will be updated with the evolution of companies undergoing digital adaptation processes.</div><div class='html-p'>In <a href="#systems-11-00341-t016" class="html-table">Table 16</a>, recommendations are provided for each cluster.</div><div class='html-p'>For the medium-sized enterprise segment, the recommendations are basically the same per cluster, the difference being the higher degree of digitalization; therefore, the digital transformation processes will be based on the integration of tools and equipping the company with real-time analytics systems and predictive models.</div><div class='html-p'>As can be seen, the main work in any digitalization process is determined by the implementation of a change management process.</div><div class='html-p'>We have attempted to summarize the levels of digitalization and evaluation in <a href="#systems-11-00341-f019" class="html-fig">Figure 19</a>.</div></section><section id='sec7-systems-11-00341' type='conclusions'><h2 data-nested='1'> 7. Conclusions</h2><div class='html-p'>This study aimed to evaluate the digital maturity level of SMEs within the Spanish business landscape, utilizing a sample of 1428 companies. In the subsequent phase, a clustering process was employed to derive global recommendations tailored to specific clusters and company segments, namely small and medium-sized businesses.</div><div class='html-p'>The findings reveal that the digital maturity level of the studied sample ranges from low to medium, which imposes limitations on the growth potential of these companies. Notably, across both segments, an essential factor observed is the significance of the digital mindset in driving change management processes.</div><div class='html-p'>Based on the identified clusters and digitization graphs per criterion, the initial step in the digital transformation journey involves enhancing the digital maturity of the company’s workforce. Once this hurdle is overcome, the focus shifts towards digitizing operational processes, enabling the integration of data to establish a unified information framework. The availability of consolidated data empowers companies to analyze information, gain insights from data and develop predictive models for informed decision making. This provides significant advantages to the organization in terms of strategic decision making.</div><div class='html-p'>Regarding the necessary technological tools, every company should consider implementing ERP and CRM systems, integrating them with both offline and online sales solutions. Furthermore, integrating data generated by these internal tools into a centralized data model, supported by analytics and business intelligence tools and explainable artificial intelligence [<a href="#B67-systems-11-00341" class="html-bibr">67</a>,<a href="#B68-systems-11-00341" class="html-bibr">68</a>], can greatly enhance the decision-making process.</div><div class='html-p'>While the developed model can be applied to any business environment, it is advisable to conduct a sector-specific study for more accurate results. Each sector may have specific criteria that are more relevant to its digitalization process, and therefore, the number of criteria considered in the model may vary accordingly. Additionally, the estimated decisions derived from the AHP group decision-making model may differ based on the characteristics and requirements of each sector.</div><div class='html-p'>By conducting a sectorial analysis, organizations can tailor the evaluation and decision-making process to their specific industry needs, ensuring a more comprehensive and accurate assessment of their digitalization efforts. This approach allows for a more targeted and effective strategy to address the unique challenges and opportunities within each sector, facilitating the adoption of appropriate digital transformation initiatives.</div></section><section id='sec8-systems-11-00341' type=''><h2 data-nested='1'> 8. Future Works</h2><div class='html-p'>The findings from this study, which integrate insights from the current state of the art, industry knowledge and the specific requirements of small and medium enterprises, highlight several areas for improvement and potential avenues for future research. These include the following:</div><div class='html-p'><ul class='html-bullet'><li><div class='html-p'>Extend the model to any industry and use it as a group decision-making procedure in any business decision process.</div></li><li><div class='html-p'>Provide a website that allows more companies to be scored, and thereby obtain a tighter data model to refine the clustering of companies and improve the recommendation process.</div></li><li><div class='html-p'>Develop an application that can assess the level of digital maturity for any member of the small and medium enterprise (SME) group and provide tailored recommendations for the implementation of technological tools.</div></li><li><div class='html-p'>Design a planning process to guide SMEs in effectively adopting and integrating the recommended tools into their operations.</div></li><li><div class='html-p'>Conduct further research on the specific technological needs and challenges faced by SMEs in different industries and sectors.</div></li><li><div class='html-p'>Explore the potential of emerging technologies, such as artificial intelligence and automation, in supporting the digital transformation of SMEs.</div></li><li><div class='html-p'>Investigate the impact of digital maturity on the overall performance and competitiveness of SMEs.</div></li><li><div class='html-p'>Collaborate with industry experts and stakeholders to create a comprehensive framework for assessing and enhancing digital maturity in SMEs.</div></li><li><div class='html-p'>Evaluate the effectiveness of different strategies and approaches in promoting digitalization among SMEs, considering factors such as cost-effectiveness and scalability.</div></li><li><div class='html-p'>Continuously update and refine the digital maturity assessment model to incorporate new trends and advancements in technology.</div></li><li><div class='html-p'>Provide training and support programs to help SMEs effectively navigate the digital transformation process and maximize the benefits of digital tools and solutions.</div></li><li><div class='html-p'>Investigate the correlation between the level of digital maturity of a company and its revenue, number of clients and employees. Analyze how technological growth influences the development and evolution of the business model.</div></li><li><div class='html-p'>Develop explainable AI models to detect employee attrition, which is a direct consequence of the level of digitalization. Address the challenge of retaining highly skilled employees amidst the ongoing digital transformation. Simultaneously focus on change management and growth strategies to mitigate the risk of losing valuable personnel.</div></li><li><div class='html-p'>Expand the developed model into a decision-making methodology based on multi-criteria and multi-decision-maker approaches, considering various domains of numerical, interval and linguistic representation. Incorporate fuzzy linguistic models to enhance the decision-making process.</div></li><li><div class='html-p'>Explore the integration of machine learning algorithms and data analytics techniques to identify patterns and insights related to digital maturity and business performance. Analyze how specific digitalization strategies impact key performance indicators and overall organizational success.</div></li><li><div class='html-p'>Conduct case studies and empirical research to validate the effectiveness and applicability of the developed models and methodologies in real-world scenarios. Gather feedback from SMEs and industry experts to further refine and improve the approaches.</div></li></ul></div></section> </div> <div class="html-back"> <section class='html-notes'><h2 >Author Contributions</h2><div class='html-p'>Conceptualization, G.M.D. and J.L.G.S.; methodology, G.M.D.; software, G.M.D.; validation, G.M.D. and J.L.G.S.; formal analysis, G.M.D. and J.L.G.S.; investigation, G.M.D. and J.L.G.S.; resources, G.M.D. and J.L.G.S.; data curation, G.M.D. and J.L.G.S.; writing—original draft preparation, G.M.D. and J.L.G.S.; writing—review and editing, G.M.D. and J.L.G.S.; visualization, G.M.D. and J.L.G.S.; supervision, G.M.D. and J.L.G.S.; project administration, G.M.D. and J.L.G.S.; funding acquisition. All authors have read and agreed to the published version of the manuscript. </div></section><section class='html-notes'><h2>Funding</h2><div class='html-p'>This research received no external funding.</div></section><section class='html-notes'><h2 >Data Availability Statement</h2><div class='html-p'>Not applicable.</div></section><section class='html-notes'><h2 >Conflicts of Interest</h2><div class='html-p'>The authors declare no conflict of interest.</div></section><section id='html-references_list'><h2>References</h2><ol class='html-xx'><li id='B1-systems-11-00341' class='html-x' data-content='1.'>Kraus, S.; Jones, P.; Kailer, N.; Weinmann, A.; Chaparro-Banegas, N.; Roig-Tierno, N. Digital Transformation: An Overview of the Current State of the Art of Research. <span class='html-italic'>Sage Open</span> <b>2021</b>, <span class='html-italic'>11</span>, 21582440211047576. 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"https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f001"></a> </div> </div> <div class="html-fig_description"> <b>Figure 1.</b> Studies related to the consensus process/group decision making in the business field.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f001" > <div class="html-caption" > <b>Figure 1.</b> Studies related to the consensus process/group decision making in the business field.</div> <div class="html-img"><img alt="Systems 11 00341 g001" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g001.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g001.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g001.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f002"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f002"> <img alt="Systems 11 00341 g002 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g002.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g002.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g002-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f002"></a> </div> </div> <div class="html-fig_description"> <b>Figure 2.</b> Studies related to the consensus process/group decision making in the business field and digital maturity/transformation.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f002" > <div class="html-caption" > <b>Figure 2.</b> Studies related to the consensus process/group decision making in the business field and digital maturity/transformation.</div> <div class="html-img"><img alt="Systems 11 00341 g002" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g002.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g002.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g002.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f003"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f003"> <img alt="Systems 11 00341 g003 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g003.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g003.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g003-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f003"></a> </div> </div> <div class="html-fig_description"> <b>Figure 3.</b> Studies related to digital transformation models.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f003" > <div class="html-caption" > <b>Figure 3.</b> Studies related to digital transformation models.</div> <div class="html-img"><img alt="Systems 11 00341 g003" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g003.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g003.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g003.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f004"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f004"> <img alt="Systems 11 00341 g004 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g004.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g004.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g004-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f004"></a> </div> </div> <div class="html-fig_description"> <b>Figure 4.</b> Number of companies by number of employees (source: Statistical National Institute, Spain, <a href='https://ine.es/' target='_blank' rel="noopener noreferrer">https://ine.es/</a>).  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f004" > <div class="html-caption" > <b>Figure 4.</b> Number of companies by number of employees (source: Statistical National Institute, Spain, <a href='https://ine.es/' target='_blank' rel="noopener noreferrer">https://ine.es/</a>).</div> <div class="html-img"><img alt="Systems 11 00341 g004" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g004.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g004.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g004.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f005"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f005"> <img alt="Systems 11 00341 g005 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g005.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g005.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g005-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f005"></a> </div> </div> <div class="html-fig_description"> <b>Figure 5.</b> Studies related to digital maturity models.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f005" > <div class="html-caption" > <b>Figure 5.</b> Studies related to digital maturity models.</div> <div class="html-img"><img alt="Systems 11 00341 g005" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g005.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g005.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g005.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f006"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f006"> <img alt="Systems 11 00341 g006 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g006.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g006.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g006-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f006"></a> </div> </div> <div class="html-fig_description"> <b>Figure 6.</b> Studies related to fuzzy logic and consensus processes.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f006" > <div class="html-caption" > <b>Figure 6.</b> Studies related to fuzzy logic and consensus processes.</div> <div class="html-img"><img alt="Systems 11 00341 g006" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g006.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g006.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g006.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f007"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f007"> <img alt="Systems 11 00341 g007 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g007.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g007.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g007-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f007"></a> </div> </div> <div class="html-fig_description"> <b>Figure 7.</b> Studies related to fuzzy logic and consensus processes applied in the business sector.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f007" > <div class="html-caption" > <b>Figure 7.</b> Studies related to fuzzy logic and consensus processes applied in the business sector.</div> <div class="html-img"><img alt="Systems 11 00341 g007" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g007.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g007.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g007.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f008"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f008"> <img alt="Systems 11 00341 g008 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g008.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g008.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g008-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f008"></a> </div> </div> <div class="html-fig_description"> <b>Figure 8.</b> Studies related to digital maturity models and fuzzy logic.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f008" > <div class="html-caption" > <b>Figure 8.</b> Studies related to digital maturity models and fuzzy logic.</div> <div class="html-img"><img alt="Systems 11 00341 g008" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g008.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g008.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g008.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f009"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f009"> <img alt="Systems 11 00341 g009 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g009.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g009.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g009-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f009"></a> </div> </div> <div class="html-fig_description"> <b>Figure 9.</b> Definition of the set S.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f009" > <div class="html-caption" > <b>Figure 9.</b> Definition of the set S.</div> <div class="html-img"><img alt="Systems 11 00341 g009" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g009.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g009.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g009.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f010"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f010"> <img alt="Systems 11 00341 g010 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g010.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g010.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g010-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f010"></a> </div> </div> <div class="html-fig_description"> <b>Figure 10.</b> Classification of DM problems.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f010" > <div class="html-caption" > <b>Figure 10.</b> Classification of DM problems.</div> <div class="html-img"><img alt="Systems 11 00341 g010" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g010.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g010.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g010.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f011"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f011"> <img alt="Systems 11 00341 g011 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g011.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g011.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g011-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f011"></a> </div> </div> <div class="html-fig_description"> <b>Figure 11.</b> Analytic hierarchy process.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f011" > <div class="html-caption" > <b>Figure 11.</b> Analytic hierarchy process.</div> <div class="html-img"><img alt="Systems 11 00341 g011" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g011.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g011.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g011.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f012"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f012"> <img alt="Systems 11 00341 g012 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g012.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g012.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g012-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f012"></a> </div> </div> <div class="html-fig_description"> <b>Figure 12.</b> The 2-tuple linguistic unification model [<a href="#B61-systems-11-00341" class="html-bibr">61</a>].  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f012" > <div class="html-caption" > <b>Figure 12.</b> The 2-tuple linguistic unification model [<a href="#B61-systems-11-00341" class="html-bibr">61</a>].</div> <div class="html-img"><img alt="Systems 11 00341 g012" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g012.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g012.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g012.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f013"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f013"> <img alt="Systems 11 00341 g013 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g013.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g013.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g013-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f013"></a> </div> </div> <div class="html-fig_description"> <b>Figure 13.</b> DML model.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f013" > <div class="html-caption" > <b>Figure 13.</b> DML model.</div> <div class="html-img"><img alt="Systems 11 00341 g013" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g013.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g013.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g013.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f014"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f014"> <img alt="Systems 11 00341 g014 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g014.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g014.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g014-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f014"></a> </div> </div> <div class="html-fig_description"> <b>Figure 14.</b> Number of enterprises by number of employees—10 to 49 employees|50 to 249 employees.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f014" > <div class="html-caption" > <b>Figure 14.</b> Number of enterprises by number of employees—10 to 49 employees|50 to 249 employees.</div> <div class="html-img"><img alt="Systems 11 00341 g014" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g014.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g014.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g014.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f015"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f015"> <img alt="Systems 11 00341 g015 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g015.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g015.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g015-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f015"></a> </div> </div> <div class="html-fig_description"> <b>Figure 15.</b> Histograms for PS, CX, PO, IT and AI—10 to 49 employees|50 to 249 employees.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f015" > <div class="html-caption" > <b>Figure 15.</b> Histograms for PS, CX, PO, IT and AI—10 to 49 employees|50 to 249 employees.</div> <div class="html-img"><img alt="Systems 11 00341 g015" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g015.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g015.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g015.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f016"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f016"> <img alt="Systems 11 00341 g016 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g016.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g016.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g016-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f016"></a> </div> </div> <div class="html-fig_description"> <b>Figure 16.</b> Histogram for EVAL—10 to 49 employees|50 to 249 employees.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f016" > <div class="html-caption" > <b>Figure 16.</b> Histogram for EVAL—10 to 49 employees|50 to 249 employees.</div> <div class="html-img"><img alt="Systems 11 00341 g016" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g016.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g016.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g016.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f017"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f017"> <img alt="Systems 11 00341 g017 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g017.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g017.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g017-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f017"></a> </div> </div> <div class="html-fig_description"> <b>Figure 17.</b> Correlation matrix—10 to 49 employees|50 to 249 employees.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f017" > <div class="html-caption" > <b>Figure 17.</b> Correlation matrix—10 to 49 employees|50 to 249 employees.</div> <div class="html-img"><img alt="Systems 11 00341 g017" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g017.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g017.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g017.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f018"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f018"> <img alt="Systems 11 00341 g018 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g018.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g018.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g018-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f018"></a> </div> </div> <div class="html-fig_description"> <b>Figure 18.</b> Cluster—10 to 49 employees|50 to 249 employees.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f018" > <div class="html-caption" > <b>Figure 18.</b> Cluster—10 to 49 employees|50 to 249 employees.</div> <div class="html-img"><img alt="Systems 11 00341 g018" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g018.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g018.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g018.png" /></div> </div><div class="html-fig-wrap" id="systems-11-00341-f019"> <div class='html-fig_img'> <div class="html-figpopup html-figpopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f019"> <img alt="Systems 11 00341 g019 550" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g019.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g019.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g019-550.jpg" /> <a class="html-expand html-figpopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#fig_body_display_systems-11-00341-f019"></a> </div> </div> <div class="html-fig_description"> <b>Figure 19.</b> Levels of digital maturity by knowledge area.  </div> </div> <div class="html-fig_show mfp-hide" id ="fig_body_display_systems-11-00341-f019" > <div class="html-caption" > <b>Figure 19.</b> Levels of digital maturity by knowledge area.</div> <div class="html-img"><img alt="Systems 11 00341 g019" data-large="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g019.png" data-original="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g019.png" data-lsrc="/systems/systems-11-00341/article_deploy/html/images/systems-11-00341-g019.png" /></div> </div><div class="html-table-wrap" id="systems-11-00341-t001"> <div class="html-table_wrap_td" > <div class="html-tablepopup html-tablepopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href='#table_body_display_systems-11-00341-t001'> <img alt="Table" data-lsrc="https://www.mdpi.com/img/table.png" /> <a class="html-expand html-tablepopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#table_body_display_systems-11-00341-t001"></a> </div> </div> <div class="html-table_wrap_discription"> <b>Table 1.</b> Studies related to digital maturity models and fuzzy logic from 2020 to 2023. </div> </div> <div class="html-table_show mfp-hide " id ="table_body_display_systems-11-00341-t001" > <div class="html-caption" ><b>Table 1.</b> Studies related to digital maturity models and fuzzy logic from 2020 to 2023.</div> <table > <thead ><tr ><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >Year</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >Title</th></tr></thead><tbody ><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >2020</td><td align='left' valign='middle' style='border-bottom:solid thin' class='html-align-left' >Assessing the Maturity Level of Saint Petersburg’s Digital Government [<a href="#B41-systems-11-00341" class="html-bibr">41</a>]</td></tr><tr ><td rowspan='5' align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >2021</td><td align='left' valign='middle' class='html-align-left' >A fuzzy rule-based industry 4.0 maturity model for operations and supply chain management [<a href="#B42-systems-11-00341" class="html-bibr">42</a>]</td></tr><tr ><td align='left' valign='middle' class='html-align-left' >Monitoring Index System for Sectors’ Digital Transformation and Its Application in China [<a href="#B43-systems-11-00341" class="html-bibr">43</a>]</td></tr><tr ><td align='left' valign='middle' class='html-align-left' >Gold Prospectivity Mapping in the Sonakhan Greenstone Belt, Central India: A Knowledge-Driven Guide for Target Delineation in a Region of Low Exploration Maturity [<a href="#B44-systems-11-00341" class="html-bibr">44</a>]</td></tr><tr ><td align='left' valign='middle' class='html-align-left' >A Measuring Tool for the Digital Maturity of Small and Medium-Sized Enterprises [<a href="#B45-systems-11-00341" class="html-bibr">45</a>]</td></tr><tr ><td align='left' valign='middle' style='border-bottom:solid thin' class='html-align-left' >Proposing a digital identity management framework: A mixed-method approach [<a href="#B46-systems-11-00341" class="html-bibr">46</a>]</td></tr><tr ><td rowspan='5' align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >2022</td><td align='left' valign='middle' class='html-align-left' >Choosing the type of business model to implement the digital transformation strategy of a network enterprise [<a href="#B47-systems-11-00341" class="html-bibr">47</a>]</td></tr><tr ><td align='left' valign='middle' class='html-align-left' >Digital Transformation Evaluation for Small- and Medium-Sized Manufacturing Enterprises Using the Fuzzy Synthetic Method DEMATEL-ANP [<a href="#B48-systems-11-00341" class="html-bibr">48</a>]</td></tr><tr ><td align='left' valign='middle' class='html-align-left' >Modelling the strategies for improving maturity and resilience in medical oxygen supply chain through digital technologies [<a href="#B49-systems-11-00341" class="html-bibr">49</a>]</td></tr><tr ><td align='left' valign='middle' class='html-align-left' >Logistics 4.0 in warehousing: a conceptual framework of influencing factors, benefits and barriers</td></tr><tr ><td align='left' valign='middle' style='border-bottom:solid thin' class='html-align-left' >Study on the Digital Transformation Capability of Cost Consultation Enterprises Based on Maturity Model [<a href="#B50-systems-11-00341" class="html-bibr">50</a>]</td></tr><tr ><td rowspan='2' align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >2023</td><td align='left' valign='middle' class='html-align-left' >CMMI based fuzzy logic approach to assess the digital manufacturing maturity level of manufacturing industries [<a href="#B51-systems-11-00341" class="html-bibr">51</a>]</td></tr><tr ><td align='left' valign='middle' style='border-bottom:solid thin' class='html-align-left' >Digital transformation in the defense industry: A maturity model combining SF-AHP and SF-TODIM approaches [<a href="#B52-systems-11-00341" class="html-bibr">52</a>]</td></tr></tbody> </table> </div><div class="html-table-wrap" id="systems-11-00341-t002"> <div class="html-table_wrap_td" > <div class="html-tablepopup html-tablepopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href='#table_body_display_systems-11-00341-t002'> <img alt="Table" data-lsrc="https://www.mdpi.com/img/table.png" /> <a class="html-expand html-tablepopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#table_body_display_systems-11-00341-t002"></a> </div> </div> <div class="html-table_wrap_discription"> <b>Table 2.</b> Studies related to digital maturity models and fuzzy logic group by category. </div> </div> <div class="html-table_show mfp-hide " id ="table_body_display_systems-11-00341-t002" > <div class="html-caption" ><b>Table 2.</b> Studies related to digital maturity models and fuzzy logic group by category.</div> <table > <tbody ><tr ><td align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' ><b>Category</b></td><td align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' ><b>Publications</b></td><td align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' ><b>%</b></td></tr><tr ><td align='center' valign='middle' class='html-align-center' >Industry 4.0</td><td align='center' valign='middle' class='html-align-center' >6</td><td align='center' valign='middle' class='html-align-center' >37.5</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >Fuzzy Sets</td><td align='center' valign='middle' class='html-align-center' >2</td><td align='center' valign='middle' class='html-align-center' >12.5</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >Compositional Data</td><td align='center' valign='middle' class='html-align-center' >2</td><td align='center' valign='middle' class='html-align-center' >12.5</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >Order Picking</td><td align='center' valign='middle' class='html-align-center' >1</td><td align='center' valign='middle' class='html-align-center' >6.25</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >Knowledge Management</td><td align='center' valign='middle' class='html-align-center' >1</td><td align='center' valign='middle' class='html-align-center' >6.25</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >Sharing Economy</td><td align='center' valign='middle' class='html-align-center' >1</td><td align='center' valign='middle' class='html-align-center' >6.25</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >Urban Underground Space</td><td align='center' valign='middle' class='html-align-center' >1</td><td align='center' valign='middle' class='html-align-center' >6.25</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >Landscape Evolution</td><td align='center' valign='middle' class='html-align-center' >1</td><td align='center' valign='middle' class='html-align-center' >6.25</td></tr><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >Competing Risks</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >1</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >6.25</td></tr></tbody> </table> </div><div class="html-table-wrap" id="systems-11-00341-t003"> <div class="html-table_wrap_td" > <div class="html-tablepopup html-tablepopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href='#table_body_display_systems-11-00341-t003'> <img alt="Table" data-lsrc="https://www.mdpi.com/img/table.png" /> <a class="html-expand html-tablepopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#table_body_display_systems-11-00341-t003"></a> </div> </div> <div class="html-table_wrap_discription"> <b>Table 3.</b> Saaty scale [<a href="#B60-systems-11-00341" class="html-bibr">60</a>]. </div> </div> <div class="html-table_show mfp-hide " id ="table_body_display_systems-11-00341-t003" > <div class="html-caption" ><b>Table 3.</b> Saaty scale [<a href="#B60-systems-11-00341" class="html-bibr">60</a>].</div> <table > <thead ><tr ><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >Degree of<br>Importance</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >Definition</th></tr></thead><tbody ><tr ><td align='center' valign='middle' class='html-align-center' >1</td><td align='left' valign='middle' class='html-align-left' >Equal importance of criteria</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >3</td><td align='left' valign='middle' class='html-align-left' >Moderate importance of one criterion over another</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >5</td><td align='left' valign='middle' class='html-align-left' >Essential or strong importance of one criterion over another</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >7</td><td align='left' valign='middle' class='html-align-left' >Very strong or demonstrated importance of one criterion over another</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >9</td><td align='left' valign='middle' class='html-align-left' >Extreme importance of one criterion over another</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >2, 4, 6, 8</td><td rowspan='2' align='left' valign='middle' style='border-bottom:solid thin' class='html-align-left' >Intermediate values to express preference of importance</td></tr><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >Reciprocals</td></tr></tbody> </table> </div><div class="html-table-wrap" id="systems-11-00341-t004"> <div class="html-table_wrap_td" > <div class="html-tablepopup html-tablepopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href='#table_body_display_systems-11-00341-t004'> <img alt="Table" data-lsrc="https://www.mdpi.com/img/table.png" /> <a class="html-expand html-tablepopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#table_body_display_systems-11-00341-t004"></a> </div> </div> <div class="html-table_wrap_discription"> <b>Table 4.</b> Random consistency values [<a href="#B60-systems-11-00341" class="html-bibr">60</a>]. </div> </div> <div class="html-table_show mfp-hide " id ="table_body_display_systems-11-00341-t004" > <div class="html-caption" ><b>Table 4.</b> Random consistency values [<a href="#B60-systems-11-00341" class="html-bibr">60</a>].</div> <table > <thead ><tr ><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >n</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >1</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >2</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >3</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >4</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >5</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >6</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >7</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >8</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >9</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >10</th></tr></thead><tbody ><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' ><b>Random Consistency</b><br><b>Index (RI)</b></td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >0.00</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >0.00</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >0.58</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >0.9</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >1.12</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >1.24</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >1.32</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >1.41</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >1.45</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >1.49</td></tr></tbody> </table> </div><div class="html-table-wrap" id="systems-11-00341-t005"> <div class="html-table_wrap_td" > <div class="html-tablepopup html-tablepopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href='#table_body_display_systems-11-00341-t005'> <img alt="Table" data-lsrc="https://www.mdpi.com/img/table.png" /> <a class="html-expand html-tablepopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#table_body_display_systems-11-00341-t005"></a> </div> </div> <div class="html-table_wrap_discription"> <b>Table 5.</b> Consistency limits [<a href="#B60-systems-11-00341" class="html-bibr">60</a>]. </div> </div> <div class="html-table_show mfp-hide " id ="table_body_display_systems-11-00341-t005" > <div class="html-caption" ><b>Table 5.</b> Consistency limits [<a href="#B60-systems-11-00341" class="html-bibr">60</a>].</div> <table > <thead ><tr ><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >Size of the Consistency Matrix</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >Consistency Ratio</th></tr></thead><tbody ><tr ><td align='center' valign='middle' class='html-align-center' >3</td><td align='center' valign='middle' class='html-align-center' >5%</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >4</td><td align='center' valign='middle' class='html-align-center' >9%</td></tr><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >≥5</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >10%</td></tr></tbody> </table> </div><div class="html-table-wrap" id="systems-11-00341-t006"> <div class="html-table_wrap_td" > <div class="html-tablepopup html-tablepopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href='#table_body_display_systems-11-00341-t006'> <img alt="Table" data-lsrc="https://www.mdpi.com/img/table.png" /> <a class="html-expand html-tablepopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#table_body_display_systems-11-00341-t006"></a> </div> </div> <div class="html-table_wrap_discription"> <b>Table 6.</b> DML, matrix in the <math display='inline'><semantics> <mrow> <mi>S</mi> <mn>5</mn> </mrow> </semantics></math> domain (10–49 employees). </div> </div> <div class="html-table_show mfp-hide " id ="table_body_display_systems-11-00341-t006" > <div class="html-caption" ><b>Table 6.</b> DML, matrix in the <math display='inline'><semantics> <mrow> <mi>S</mi> <mn>5</mn> </mrow> </semantics></math> domain (10–49 employees).</div> <table > <thead ><tr ><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >D</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >PS</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >PO</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >IT</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >CX</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >AI</th></tr></thead><tbody ><tr ><td align='center' valign='middle' class='html-align-center' >112</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >245</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >129</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >VL</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >948</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >886</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >73</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >390</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >912</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >1115</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >999</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >802</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >366</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >138</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >VL</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >1053</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td></tr><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >817</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >L</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >M</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >VH</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >M</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >VL</td></tr></tbody> </table> </div><div class="html-table-wrap" id="systems-11-00341-t007"> <div class="html-table_wrap_td" > <div class="html-tablepopup html-tablepopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href='#table_body_display_systems-11-00341-t007'> <img alt="Table" data-lsrc="https://www.mdpi.com/img/table.png" /> <a class="html-expand html-tablepopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#table_body_display_systems-11-00341-t007"></a> </div> </div> <div class="html-table_wrap_discription"> <b>Table 7.</b> DML, matrix in the <math display='inline'><semantics> <mrow> <mi>S</mi> <mn>5</mn> </mrow> </semantics></math> domain (50–249 employees). </div> </div> <div class="html-table_show mfp-hide " id ="table_body_display_systems-11-00341-t007" > <div class="html-caption" ><b>Table 7.</b> DML, matrix in the <math display='inline'><semantics> <mrow> <mi>S</mi> <mn>5</mn> </mrow> </semantics></math> domain (50–249 employees).</div> <table > <thead ><tr ><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >ID</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >PS</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >PO</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >IT</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >CX</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >AI</th></tr></thead><tbody ><tr ><td align='center' valign='middle' class='html-align-center' >25</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >154</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >86</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >M</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >33</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >VH</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >200</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >61</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >13</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >H</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >75</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >146</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >74</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >166</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >98</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >M</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >165</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >176</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >2</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >H</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >M</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >H</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >L</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >L</td></tr></tbody> </table> </div><div class="html-table-wrap" id="systems-11-00341-t008"> <div class="html-table_wrap_td" > <div class="html-tablepopup html-tablepopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href='#table_body_display_systems-11-00341-t008'> <img alt="Table" data-lsrc="https://www.mdpi.com/img/table.png" /> <a class="html-expand html-tablepopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#table_body_display_systems-11-00341-t008"></a> </div> </div> <div class="html-table_wrap_discription"> <b>Table 8.</b> DML, overall score (10–49 employees). </div> </div> <div class="html-table_show mfp-hide " id ="table_body_display_systems-11-00341-t008" > <div class="html-caption" ><b>Table 8.</b> DML, overall score (10–49 employees).</div> <table > <thead ><tr ><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >ID</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >PS</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >PO</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >IT</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >CX</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >AI</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >DML</th></tr></thead><tbody ><tr ><td align='center' valign='middle' class='html-align-center' >112</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(M, 0.057)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >245</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >(L, −0.113)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >129</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >(L, −0.096)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >948</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(M, 0.073)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >886</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >(L, 0.079)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >73</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(L, 0.088)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >390</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(M, −0.047)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >912</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(L, −0.034)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >1115</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >(L, −0.063)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >999</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(L, −0.107)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >802</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(L, −0.087)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >366</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(L, 0.069)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >138</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >(M, 0.032)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >1053</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >(M, 0.017)</td></tr><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >817</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >L</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >M</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >VH</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >M</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >VL</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(M,−0.078)</td></tr></tbody> </table> </div><div class="html-table-wrap" id="systems-11-00341-t009"> <div class="html-table_wrap_td" > <div class="html-tablepopup html-tablepopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href='#table_body_display_systems-11-00341-t009'> <img alt="Table" data-lsrc="https://www.mdpi.com/img/table.png" /> <a class="html-expand html-tablepopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#table_body_display_systems-11-00341-t009"></a> </div> </div> <div class="html-table_wrap_discription"> <b>Table 9.</b> DML, overall score (50–249 employees). </div> </div> <div class="html-table_show mfp-hide " id ="table_body_display_systems-11-00341-t009" > <div class="html-caption" ><b>Table 9.</b> DML, overall score (50–249 employees).</div> <table > <thead ><tr ><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >ID</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >PS</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >CX</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >PO</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >IT</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >AI</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >DML</th></tr></thead><tbody ><tr ><td align='center' valign='middle' class='html-align-center' >25</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(H, −0.081)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >154</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(M, 0.049)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >86</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >(M, −0.052)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >33</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >(H, −0.062)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >200</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >(M, −0.05)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >61</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(L, 0.014)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >13</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >(H, −0.124)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >75</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(M, −0.04)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >146</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(M, −0.022)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >74</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(L, 0.116)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >166</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(M, −0.04)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >98</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >(M, −0.071)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >165</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(H, −0.081)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >176</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(L, 0.031)</td></tr><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >2</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >H</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >M</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >H</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >L</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >L</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(M, −0.042)</td></tr></tbody> </table> </div><div class="html-table-wrap" id="systems-11-00341-t010"> <div class="html-table_wrap_td" > <div class="html-tablepopup html-tablepopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href='#table_body_display_systems-11-00341-t010'> <img alt="Table" data-lsrc="https://www.mdpi.com/img/table.png" /> <a class="html-expand html-tablepopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#table_body_display_systems-11-00341-t010"></a> </div> </div> <div class="html-table_wrap_discription"> <b>Table 10.</b> Extended DML (10–49 employees). </div> </div> <div class="html-table_show mfp-hide " id ="table_body_display_systems-11-00341-t010" > <div class="html-caption" ><b>Table 10.</b> Extended DML (10–49 employees).</div> <table > <thead ><tr ><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >ID</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >DML</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >EMP</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >NEMP</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >DM</th></tr></thead><tbody ><tr ><td align='center' valign='middle' class='html-align-center' >112</td><td align='center' valign='middle' class='html-align-center' >(M, 0.057)</td><td align='center' valign='middle' class='html-align-center' >22</td><td align='center' valign='middle' class='html-align-center' >(L, 0.058)</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >245</td><td align='center' valign='middle' class='html-align-center' >(L, −0.113)</td><td align='center' valign='middle' class='html-align-center' >16</td><td align='center' valign='middle' class='html-align-center' >(L, −0.096)</td><td align='center' valign='middle' class='html-align-center' >H</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >129</td><td align='center' valign='middle' class='html-align-center' >(L, −0.096)</td><td align='center' valign='middle' class='html-align-center' >30</td><td align='center' valign='middle' class='html-align-center' >(M, 0.013)</td><td align='center' valign='middle' class='html-align-center' >M</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >948</td><td align='center' valign='middle' class='html-align-center' >(M, 0.073)</td><td align='center' valign='middle' class='html-align-center' >16</td><td align='center' valign='middle' class='html-align-center' >(L, −0.096)</td><td align='center' valign='middle' class='html-align-center' >VL</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >886</td><td align='center' valign='middle' class='html-align-center' >(L, 0.079)</td><td align='center' valign='middle' class='html-align-center' >11</td><td align='center' valign='middle' class='html-align-center' >(VL, 0.026)</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >73</td><td align='center' valign='middle' class='html-align-center' >(L, 0.088)</td><td align='center' valign='middle' class='html-align-center' >19</td><td align='center' valign='middle' class='html-align-center' >(L, −0.019)</td><td align='center' valign='middle' class='html-align-center' >VH</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >390</td><td align='center' valign='middle' class='html-align-center' >(M, −0.047)</td><td align='center' valign='middle' class='html-align-center' >10</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >VL</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >912</td><td align='center' valign='middle' class='html-align-center' >(L, −0.034)</td><td align='center' valign='middle' class='html-align-center' >39</td><td align='center' valign='middle' class='html-align-center' >(H, −0.006)</td><td align='center' valign='middle' class='html-align-center' >M</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >1115</td><td align='center' valign='middle' class='html-align-center' >(L, −0.063)</td><td align='center' valign='middle' class='html-align-center' >14</td><td align='center' valign='middle' class='html-align-center' >(VL, 0.103)</td><td align='center' valign='middle' class='html-align-center' >H</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >999</td><td align='center' valign='middle' class='html-align-center' >(L, −0.107)</td><td align='center' valign='middle' class='html-align-center' >14</td><td align='center' valign='middle' class='html-align-center' >(VL, 0.103)</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >802</td><td align='center' valign='middle' class='html-align-center' >(L, −0.087)</td><td align='center' valign='middle' class='html-align-center' >13</td><td align='center' valign='middle' class='html-align-center' >(VL, 0.077)</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >366</td><td align='center' valign='middle' class='html-align-center' >(L, 0.069)</td><td align='center' valign='middle' class='html-align-center' >17</td><td align='center' valign='middle' class='html-align-center' >(L, −0.071)</td><td align='center' valign='middle' class='html-align-center' >M</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >138</td><td align='center' valign='middle' class='html-align-center' >(M, 0.032)</td><td align='center' valign='middle' class='html-align-center' >35</td><td align='center' valign='middle' class='html-align-center' >(H, −0.109)</td><td align='center' valign='middle' class='html-align-center' >H</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >1053</td><td align='center' valign='middle' class='html-align-center' >(M, 0.017)</td><td align='center' valign='middle' class='html-align-center' >10</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >817</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(M, −0.078)</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >13</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(VL, 0.077)</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >M</td></tr></tbody> </table> </div><div class="html-table-wrap" id="systems-11-00341-t011"> <div class="html-table_wrap_td" > <div class="html-tablepopup html-tablepopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href='#table_body_display_systems-11-00341-t011'> <img alt="Table" data-lsrc="https://www.mdpi.com/img/table.png" /> <a class="html-expand html-tablepopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#table_body_display_systems-11-00341-t011"></a> </div> </div> <div class="html-table_wrap_discription"> <b>Table 11.</b> Extended DML (50–249 employees). </div> </div> <div class="html-table_show mfp-hide " id ="table_body_display_systems-11-00341-t011" > <div class="html-caption" ><b>Table 11.</b> Extended DML (50–249 employees).</div> <table > <thead ><tr ><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >ID</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >DML</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >EMP</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >NEMP</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >DM</th></tr></thead><tbody ><tr ><td align='center' valign='middle' class='html-align-center' >25</td><td align='center' valign='middle' class='html-align-center' >(H, −0.081)</td><td align='center' valign='middle' class='html-align-center' >217</td><td align='center' valign='middle' class='html-align-center' >(H, 0.106)</td><td align='center' valign='middle' class='html-align-center' >H</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >154</td><td align='center' valign='middle' class='html-align-center' >(M, 0.049)</td><td align='center' valign='middle' class='html-align-center' >173</td><td align='center' valign='middle' class='html-align-center' >(H, −0.119)</td><td align='center' valign='middle' class='html-align-center' >H</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >86</td><td align='center' valign='middle' class='html-align-center' >(M, −0.052)</td><td align='center' valign='middle' class='html-align-center' >96</td><td align='center' valign='middle' class='html-align-center' >(L, −0.014)</td><td align='center' valign='middle' class='html-align-center' >M</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >33</td><td align='center' valign='middle' class='html-align-center' >(H, −0.062)</td><td align='center' valign='middle' class='html-align-center' >99</td><td align='center' valign='middle' class='html-align-center' >(L, 0.001)</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >200</td><td align='center' valign='middle' class='html-align-center' >(M, −0.05)</td><td align='center' valign='middle' class='html-align-center' >58</td><td align='center' valign='middle' class='html-align-center' >(VL, 0.041)</td><td align='center' valign='middle' class='html-align-center' >VL</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >61</td><td align='center' valign='middle' class='html-align-center' >(L, 0.014)</td><td align='center' valign='middle' class='html-align-center' >85</td><td align='center' valign='middle' class='html-align-center' >(L, −0.071)</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >13</td><td align='center' valign='middle' class='html-align-center' >(H, −0.124)</td><td align='center' valign='middle' class='html-align-center' >91</td><td align='center' valign='middle' class='html-align-center' >(L, −0.04)</td><td align='center' valign='middle' class='html-align-center' >L</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >75</td><td align='center' valign='middle' class='html-align-center' >(M, −0.04)</td><td align='center' valign='middle' class='html-align-center' >171</td><td align='center' valign='middle' class='html-align-center' >(M, 0.121)</td><td align='center' valign='middle' class='html-align-center' >M</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >146</td><td align='center' valign='middle' class='html-align-center' >(M, −0.022)</td><td align='center' valign='middle' class='html-align-center' >57</td><td align='center' valign='middle' class='html-align-center' >(VL, 0.036)</td><td align='center' valign='middle' class='html-align-center' >M</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >74</td><td align='center' valign='middle' class='html-align-center' >(L, 0.116)</td><td align='center' valign='middle' class='html-align-center' >120</td><td align='center' valign='middle' class='html-align-center' >(L, 0.109)</td><td align='center' valign='middle' class='html-align-center' >M</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >166</td><td align='center' valign='middle' class='html-align-center' >(M, −0.04)</td><td align='center' valign='middle' class='html-align-center' >76</td><td align='center' valign='middle' class='html-align-center' >(L, −0.117)</td><td align='center' valign='middle' class='html-align-center' >M</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >98</td><td align='center' valign='middle' class='html-align-center' >(M, −0.071)</td><td align='center' valign='middle' class='html-align-center' >89</td><td align='center' valign='middle' class='html-align-center' >(L, −0.05)</td><td align='center' valign='middle' class='html-align-center' >M</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >165</td><td align='center' valign='middle' class='html-align-center' >(H, −0.081)</td><td align='center' valign='middle' class='html-align-center' >139</td><td align='center' valign='middle' class='html-align-center' >(M, −0.044)</td><td align='center' valign='middle' class='html-align-center' >M</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >176</td><td align='center' valign='middle' class='html-align-center' >(L, 0.031)</td><td align='center' valign='middle' class='html-align-center' >126</td><td align='center' valign='middle' class='html-align-center' >(M, −0.11)</td><td align='center' valign='middle' class='html-align-center' >M</td></tr><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >2</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(M, −0.042)</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >52</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(VL, 0.01)</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >VL</td></tr></tbody> </table> </div><div class="html-table-wrap" id="systems-11-00341-t012"> <div class="html-table_wrap_td" > <div class="html-tablepopup html-tablepopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href='#table_body_display_systems-11-00341-t012'> <img alt="Table" data-lsrc="https://www.mdpi.com/img/table.png" /> <a class="html-expand html-tablepopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#table_body_display_systems-11-00341-t012"></a> </div> </div> <div class="html-table_wrap_discription"> <b>Table 12.</b> Extended DML, overall score (10–49 employees). </div> </div> <div class="html-table_show mfp-hide " id ="table_body_display_systems-11-00341-t012" > <div class="html-caption" ><b>Table 12.</b> Extended DML, overall score (10–49 employees).</div> <table > <thead ><tr ><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >ID</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >DML</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >NEMP</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >DM</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >Overall Score</th></tr></thead><tbody ><tr ><td align='center' valign='middle' class='html-align-center' >112</td><td align='center' valign='middle' class='html-align-center' >(M, 0.057)</td><td align='center' valign='middle' class='html-align-center' >(L, 0.058)</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(M, −0.11)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >245</td><td align='center' valign='middle' class='html-align-center' >(L, −0.113)</td><td align='center' valign='middle' class='html-align-center' >(L, −0.096)</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >(M, −0.098)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >129</td><td align='center' valign='middle' class='html-align-center' >(L, −0.096)</td><td align='center' valign='middle' class='html-align-center' >(M, 0.013)</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >(L, 0.104)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >948</td><td align='center' valign='middle' class='html-align-center' >(M, 0.073)</td><td align='center' valign='middle' class='html-align-center' >(L, −0.096)</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >(L, 0.018)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >886</td><td align='center' valign='middle' class='html-align-center' >(L, 0.079)</td><td align='center' valign='middle' class='html-align-center' >(VL, 0.026)</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(L, 0.002)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >73</td><td align='center' valign='middle' class='html-align-center' >(L, 0.088)</td><td align='center' valign='middle' class='html-align-center' >(L, −0.019)</td><td align='center' valign='middle' class='html-align-center' >VH</td><td align='center' valign='middle' class='html-align-center' >(M, 0.107)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >390</td><td align='center' valign='middle' class='html-align-center' >(M, −0.047)</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >(L, −0.056)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >912</td><td align='center' valign='middle' class='html-align-center' >(L, −0.034)</td><td align='center' valign='middle' class='html-align-center' >(H, −0.006)</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >(M, −0.087)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >1115</td><td align='center' valign='middle' class='html-align-center' >(L, −0.063)</td><td align='center' valign='middle' class='html-align-center' >(VL, 0.103)</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >(M, −0.083)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >999</td><td align='center' valign='middle' class='html-align-center' >(L, −0.107)</td><td align='center' valign='middle' class='html-align-center' >(VL, 0.103)</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(L, −0.067)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >802</td><td align='center' valign='middle' class='html-align-center' >(L, −0.087)</td><td align='center' valign='middle' class='html-align-center' >(VL, 0.077)</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(L, −0.062)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >366</td><td align='center' valign='middle' class='html-align-center' >(L, 0.069)</td><td align='center' valign='middle' class='html-align-center' >(L, −0.071)</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >(M, −0.123)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >138</td><td align='center' valign='middle' class='html-align-center' >(M, 0.032)</td><td align='center' valign='middle' class='html-align-center' >(H, −0.109)</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >(H, −0.108)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >1053</td><td align='center' valign='middle' class='html-align-center' >(M, 0.017)</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(L, 0.079)</td></tr><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >817</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(M, −0.078)</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(VL, 0.077)</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >M</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(M, −0.094)</td></tr></tbody> </table> </div><div class="html-table-wrap" id="systems-11-00341-t013"> <div class="html-table_wrap_td" > <div class="html-tablepopup html-tablepopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href='#table_body_display_systems-11-00341-t013'> <img alt="Table" data-lsrc="https://www.mdpi.com/img/table.png" /> <a class="html-expand html-tablepopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#table_body_display_systems-11-00341-t013"></a> </div> </div> <div class="html-table_wrap_discription"> <b>Table 13.</b> Extended DML, overall score (50–249 employees). </div> </div> <div class="html-table_show mfp-hide " id ="table_body_display_systems-11-00341-t013" > <div class="html-caption" ><b>Table 13.</b> Extended DML, overall score (50–249 employees).</div> <table > <thead ><tr ><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >ID</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >DML</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >NEMP</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >DM</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >Overall Score</th></tr></thead><tbody ><tr ><td align='center' valign='middle' class='html-align-center' >25</td><td align='center' valign='middle' class='html-align-center' >(H, −0.081)</td><td align='center' valign='middle' class='html-align-center' >(H, 0.106)</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >(H, −0.019)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >154</td><td align='center' valign='middle' class='html-align-center' >(M, 0.049)</td><td align='center' valign='middle' class='html-align-center' >(H, −0.119)</td><td align='center' valign='middle' class='html-align-center' >H</td><td align='center' valign='middle' class='html-align-center' >(H, −0.102)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >86</td><td align='center' valign='middle' class='html-align-center' >(M, −0.052)</td><td align='center' valign='middle' class='html-align-center' >(L, −0.014)</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >(M, −0.06)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >33</td><td align='center' valign='middle' class='html-align-center' >(H, −0.062)</td><td align='center' valign='middle' class='html-align-center' >(L, 0.001)</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(M, −0.062)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >200</td><td align='center' valign='middle' class='html-align-center' >(M, −0.05)</td><td align='center' valign='middle' class='html-align-center' >(VL, 0.041)</td><td align='center' valign='middle' class='html-align-center' >VL</td><td align='center' valign='middle' class='html-align-center' >(L, −0.051)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >61</td><td align='center' valign='middle' class='html-align-center' >(L, 0.014)</td><td align='center' valign='middle' class='html-align-center' >(L, −0.071)</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(L, −0.004)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >13</td><td align='center' valign='middle' class='html-align-center' >(H, −0.124)</td><td align='center' valign='middle' class='html-align-center' >(L, −0.04)</td><td align='center' valign='middle' class='html-align-center' >L</td><td align='center' valign='middle' class='html-align-center' >(M, −0.094)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >75</td><td align='center' valign='middle' class='html-align-center' >(M, −0.04)</td><td align='center' valign='middle' class='html-align-center' >(M, 0.121)</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >(M, 0.001)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >146</td><td align='center' valign='middle' class='html-align-center' >(M, −0.022)</td><td align='center' valign='middle' class='html-align-center' >(VL, 0.036)</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >(M, −0.076)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >74</td><td align='center' valign='middle' class='html-align-center' >(L, 0.116)</td><td align='center' valign='middle' class='html-align-center' >(L, 0.109)</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >(M, −0.077)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >166</td><td align='center' valign='middle' class='html-align-center' >(M, −0.04)</td><td align='center' valign='middle' class='html-align-center' >(L, −0.117)</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >(M, −0.069)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >98</td><td align='center' valign='middle' class='html-align-center' >(M, −0.071)</td><td align='center' valign='middle' class='html-align-center' >(L, −0.05)</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >(M, −0.073)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >165</td><td align='center' valign='middle' class='html-align-center' >(H, −0.081)</td><td align='center' valign='middle' class='html-align-center' >(M, −0.044)</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >(M, 0.067)</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >176</td><td align='center' valign='middle' class='html-align-center' >(L, 0.031)</td><td align='center' valign='middle' class='html-align-center' >(M, −0.11)</td><td align='center' valign='middle' class='html-align-center' >M</td><td align='center' valign='middle' class='html-align-center' >(M, −0.109)</td></tr><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >2</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(M, −0.042)</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(VL, 0.01)</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >VL</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(M, −0.124)</td></tr></tbody> </table> </div><div class="html-table-wrap" id="systems-11-00341-t014"> <div class="html-table_wrap_td" > <div class="html-tablepopup html-tablepopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href='#table_body_display_systems-11-00341-t014'> <img alt="Table" data-lsrc="https://www.mdpi.com/img/table.png" /> <a class="html-expand html-tablepopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#table_body_display_systems-11-00341-t014"></a> </div> </div> <div class="html-table_wrap_discription"> <b>Table 14.</b> Cluster k-means algorithm expressed in 2-tuple model (10–49 employees). </div> </div> <div class="html-table_show mfp-hide " id ="table_body_display_systems-11-00341-t014" > <div class="html-caption" ><b>Table 14.</b> Cluster k-means algorithm expressed in 2-tuple model (10–49 employees).</div> <table > <thead ><tr ><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >Cluster c</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >DML</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >NEMP</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >DM</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >Micro-SMEs</th></tr></thead><tbody ><tr ><td align='center' valign='middle' class='html-align-center' >0</td><td align='center' valign='middle' class='html-align-center' >(L, 0.056)</td><td align='center' valign='middle' class='html-align-center' >(L, −0.088)</td><td align='center' valign='middle' class='html-align-center' >(L, −0.068)</td><td align='center' valign='middle' class='html-align-center' >300</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >1</td><td align='center' valign='middle' class='html-align-center' >(L, 0.052)</td><td align='center' valign='middle' class='html-align-center' >(L, −0.107)</td><td align='center' valign='middle' class='html-align-center' >(H, −0.12)</td><td align='center' valign='middle' class='html-align-center' >631</td></tr><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >2</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(L, 0.06)</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(H, 0.001)</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(M, 0.023)</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >297</td></tr></tbody> </table> </div><div class="html-table-wrap" id="systems-11-00341-t015"> <div class="html-table_wrap_td" > <div class="html-tablepopup html-tablepopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href='#table_body_display_systems-11-00341-t015'> <img alt="Table" data-lsrc="https://www.mdpi.com/img/table.png" /> <a class="html-expand html-tablepopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#table_body_display_systems-11-00341-t015"></a> </div> </div> <div class="html-table_wrap_discription"> <b>Table 15.</b> Cluster k-means algorithm expressed in 2-tuple model (50–249 employees). </div> </div> <div class="html-table_show mfp-hide " id ="table_body_display_systems-11-00341-t015" > <div class="html-caption" ><b>Table 15.</b> Cluster k-means algorithm expressed in 2-tuple model (50–249 employees).</div> <table > <thead ><tr ><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >Cluster c</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >DML</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >NEMP</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >DM</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >SMEs</th></tr></thead><tbody ><tr ><td align='center' valign='middle' class='html-align-center' >0</td><td align='center' valign='middle' class='html-align-center' >(M, −0.008)</td><td align='center' valign='middle' class='html-align-center' >(H, −0.098)</td><td align='center' valign='middle' class='html-align-center' >(M, 0.025)</td><td align='center' valign='middle' class='html-align-center' >50</td></tr><tr ><td align='center' valign='middle' class='html-align-center' >1</td><td align='center' valign='middle' class='html-align-center' >(M, 0.006)</td><td align='center' valign='middle' class='html-align-center' >(L, −0.057)</td><td align='center' valign='middle' class='html-align-center' >(L, −0.064)</td><td align='center' valign='middle' class='html-align-center' >51</td></tr><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >2</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(M, −0.044)</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(L, −0.098)</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >(H, −0.106)</td><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >99</td></tr></tbody> </table> </div><div class="html-table-wrap" id="systems-11-00341-t016"> <div class="html-table_wrap_td" > <div class="html-tablepopup html-tablepopup-link" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href='#table_body_display_systems-11-00341-t016'> <img alt="Table" data-lsrc="https://www.mdpi.com/img/table.png" /> <a class="html-expand html-tablepopup" data-counterslinkmanual = "https://www.mdpi.com/2079-8954/11/7/341/display" href="#table_body_display_systems-11-00341-t016"></a> </div> </div> <div class="html-table_wrap_discription"> <b>Table 16.</b> Recommendation strategy for each cluster (10–49 employees). </div> </div> <div class="html-table_show mfp-hide " id ="table_body_display_systems-11-00341-t016" > <div class="html-caption" ><b>Table 16.</b> Recommendation strategy for each cluster (10–49 employees).</div> <table > <thead ><tr ><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >Cluster c</th><th align='center' valign='middle' style='border-top:solid thin;border-bottom:solid thin' class='html-align-center' >Recommendation Strategy </th></tr></thead><tbody ><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >0</td><td align='left' valign='middle' style='border-bottom:solid thin' class='html-align-left' >Description: The cluster corresponds to micro-SMEs that do not have a basic digitalization tool, ERP.<br>Recommendation: The first step in the digitalization process should be addressed by implementing an internal management system covering the basic functionality of the company’s operational processes and complementing it with an internal change management process for its employees. </td></tr><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >1</td><td align='left' valign='middle' style='border-bottom:solid thin' class='html-align-left' >Description: The cluster corresponds to micro-SMEs that do not have a basic digitalization tool, ERP, or need to complement it with CRM.<br>Recommendation: The first step in the digitalization process must be tackled by implementing or extending the company’s internal management systems (ERP, CRM), and in the second phase by integrating both systems and single data modeling. Finally, business intelligence will be the most suitable tool to establish data-driven decision making.</td></tr><tr ><td align='center' valign='middle' style='border-bottom:solid thin' class='html-align-center' >2</td><td align='left' valign='middle' style='border-bottom:solid thin' class='html-align-left' >Description: The cluster corresponds to micro-SMEs that do not have a basic digitalization tool (ERP, CRM), although the number of employees is high, and therefore, the digitalization needs are even greater than those of the rest of the companies in this segment. <br>Recommendation: The first step in the digitalization process must be addressed by implementing an internal management system (ERP, CRM), connecting all systems, addressing an analytics development process, and complementing it with an internal change management process for employees. However, due to the size of the company, the process requires speed and immediate measurement of results.</td></tr></tbody> </table> </div></section><section class='html-fn_group'><table><tr id=''><td></td><td><div class='html-p'><b>Disclaimer/Publisher’s Note:</b> The statements, opinions and data contained in all publications are solely those of the individual author(s) and contributor(s) and not of MDPI and/or the editor(s). MDPI and/or the editor(s) disclaim responsibility for any injury to people or property resulting from any ideas, methods, instructions or products referred to in the content.</div></td></tr></table></section> <section id="html-copyright"><br>© 2023 by the authors. Licensee MDPI, Basel, Switzerland. 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Group Decision-Making Model Based on 2-Tuple Fuzzy Linguistic Model and AHP Applied to Measuring Digital Maturity Level of Organizations