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Cervantes</title> <meta name="description" content="Search results for: Leticia Cervantes"> <meta name="keywords" content="Leticia Cervantes"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Leticia Cervantes"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 38</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Leticia Cervantes</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">38</span> Ant Lion Optimization in a Fuzzy System for Benchmark Control Problem</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leticia%20Cervantes">Leticia Cervantes</a>, <a href="https://publications.waset.org/abstracts/search?q=Edith%20Garcia"> Edith Garcia</a>, <a href="https://publications.waset.org/abstracts/search?q=Oscar%20Castillo"> Oscar Castillo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> At today, there are several control problems where the main objective is to obtain the best control in the study to decrease the error in the application. Many techniques can use to control these problems such as Neural Networks, PID control, Fuzzy Logic, Optimization techniques and many more. In this case, fuzzy logic with fuzzy system and an optimization technique are used to control the case of study. In this case, Ant Lion Optimization is used to optimize a fuzzy system to control the velocity of a simple treadmill. The main objective is to achieve the control of the velocity in the control problem using the ALO optimization. First, a simple fuzzy system was used to control the velocity of the treadmill it has two inputs (error and error change) and one output (desired speed), then results were obtained but to decrease the error the ALO optimization was developed to optimize the fuzzy system of the treadmill. Having the optimization, the simulation was performed, and results can prove that using the ALO optimization the control of the velocity was better than a conventional fuzzy system. This paper describes some basic concepts to help to understand the idea in this work, the methodology of the investigation (control problem, fuzzy system design, optimization), the results are presented and the optimization is used for the fuzzy system. A comparison between the simple fuzzy system and the optimized fuzzy systems are presented where it can be proving the optimization improved the control with good results the major findings of the study is that ALO optimization is a good alternative to improve the control because it helped to decrease the error in control applications even using any control technique to optimized, As a final statement is important to mentioned that the selected methodology was good because the control of the treadmill was improve using the optimization technique. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ant%20lion%20optimization" title="ant lion optimization">ant lion optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=control%20problem" title=" control problem"> control problem</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20control" title=" fuzzy control"> fuzzy control</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20system" title=" fuzzy system"> fuzzy system</a> </p> <a href="https://publications.waset.org/abstracts/88510/ant-lion-optimization-in-a-fuzzy-system-for-benchmark-control-problem" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88510.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">399</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37</span> Analysis of the Development of Communicative Skills After Participating in the Equine-Assisted-Therapy Program Step-By-Step in Communication</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leticia%20Souza%20Guirra">Leticia Souza Guirra</a>, <a href="https://publications.waset.org/abstracts/search?q=M%C3%A1rcia%20Eduarda%20Vieira%20Ramos"> Márcia Eduarda Vieira Ramos</a>, <a href="https://publications.waset.org/abstracts/search?q=Edlaine%20Souza%20Pereira"> Edlaine Souza Pereira</a>, <a href="https://publications.waset.org/abstracts/search?q=Leticia%20Correa%20Celeste"> Leticia Correa Celeste</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Studies indicate that equine-assisted therapy enables improvements in several areas of functioning that are impaired in children with autism spectrum disorder (ASD), such as social interaction and communication. Objective: The study proposes to analyze the development of dialogic skills of a verbal child with ASD after participating in the equine-assisted therapy Step By Step in Communication. Method: This is quantitative and qualitative research through a case study. It refers to a 6 years old child diagnosed with ASD belonging to a group of practitioners of the Brazilian National Equine-Assited-Therapy Association. The Behavioral Observation Protocol (PROC) was used to evaluate communicative skills before and after the intervention, which consisted of 24 sessions once a week. Results: All conversational skills increased their frequency, with participation in dialogue and initiation of interaction. The child also increases the habit of waiting for his turn and answering the interlocutor. The emission of topics not related to conversation and echolalia showed a significant decrease after the intervention. Conclusion: The studied child showed improvement in communicative skills after participating in the equine-assisted therapy Step By Step in Communication. Contributions: This study contributes to a greater understanding of the impact of equine-assisted therapy on the communicative abilities of children with ASD. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=equine-assisted-therapy" title="equine-assisted-therapy">equine-assisted-therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=autism%20spectrum%20disorder" title=" autism spectrum disorder"> autism spectrum disorder</a>, <a href="https://publications.waset.org/abstracts/search?q=language" title=" language"> language</a>, <a href="https://publications.waset.org/abstracts/search?q=communication" title=" communication"> communication</a>, <a href="https://publications.waset.org/abstracts/search?q=language%20and%20hearing%20sciences" title=" language and hearing sciences"> language and hearing sciences</a> </p> <a href="https://publications.waset.org/abstracts/165060/analysis-of-the-development-of-communicative-skills-after-participating-in-the-equine-assisted-therapy-program-step-by-step-in-communication" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/165060.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">81</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">36</span> Synchronization of Semiconductor Laser Networks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20M.%20L%C3%B3pez-Guti%C3%A9rrez">R. M. López-Gutiérrez</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Cardoza-Avenda%C3%B1o"> L. Cardoza-Avendaño</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Cervantes-de%20%C3%81vila"> H. Cervantes-de Ávila</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20A.%20Michel-Macarty"> J. A. Michel-Macarty</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Cruz-Hern%C3%A1ndez"> C. Cruz-Hernández</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Arellano-Delgado"> A. Arellano-Delgado</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Carmona-Rodr%C3%ADguez"> R. Carmona-Rodríguez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, synchronization of multiple chaotic semiconductor lasers is achieved by appealing to complex system theory. In particular, we consider dynamical networks composed by semiconductor laser, as interconnected nodes, where the interaction in the networks are defined by coupling the first state of each node. An interesting case is synchronized with master-slave configuration in star topology. Nodes of these networks are modeled for the laser and simulated by Matlab. These results are applicable to private communication. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chaotic%20laser" title="chaotic laser">chaotic laser</a>, <a href="https://publications.waset.org/abstracts/search?q=network" title=" network"> network</a>, <a href="https://publications.waset.org/abstracts/search?q=star%20topology" title=" star topology"> star topology</a>, <a href="https://publications.waset.org/abstracts/search?q=synchronization" title=" synchronization"> synchronization</a> </p> <a href="https://publications.waset.org/abstracts/34528/synchronization-of-semiconductor-laser-networks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34528.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">566</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">35</span> Serious Digital Video Game for Solving Algebraic Equations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Liliana%20O.%20Mart%C3%ADnez">Liliana O. Martínez</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20E%20Gonz%C3%A1lez"> Juan E González</a>, <a href="https://publications.waset.org/abstracts/search?q=Manuel%20Ram%C3%ADrez-Aranda"> Manuel Ramírez-Aranda</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Cervantes-Herrera"> Ana Cervantes-Herrera</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A serious game category mobile application called Math Dominoes is presented. The main objective of this applications is to strengthen the teaching-learning process of solving algebraic equations and is based on the board game "Double 6" dominoes. Math Dominoes allows the practice of solving first, second-, and third-degree algebraic equations. This application is aimed to students who seek to strengthen their skills in solving algebraic equations in a dynamic, interactive, and fun way, to reduce the risk of failure in subsequent courses that require mastery of this algebraic tool. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=algebra" title="algebra">algebra</a>, <a href="https://publications.waset.org/abstracts/search?q=equations" title=" equations"> equations</a>, <a href="https://publications.waset.org/abstracts/search?q=dominoes" title=" dominoes"> dominoes</a>, <a href="https://publications.waset.org/abstracts/search?q=serious%20games" title=" serious games"> serious games</a> </p> <a href="https://publications.waset.org/abstracts/156059/serious-digital-video-game-for-solving-algebraic-equations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156059.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">131</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">34</span> Biochemical Characterization and Structure Elucidation of a New Cytochrome P450 Decarboxylase</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leticia%20Leandro%20Rade">Leticia Leandro Rade</a>, <a href="https://publications.waset.org/abstracts/search?q=Amanda%20Silva%20de%20Sousa"> Amanda Silva de Sousa</a>, <a href="https://publications.waset.org/abstracts/search?q=Suman%20Das"> Suman Das</a>, <a href="https://publications.waset.org/abstracts/search?q=Wesley%20Generoso"> Wesley Generoso</a>, <a href="https://publications.waset.org/abstracts/search?q=Mayara%20Chagas%20%C3%81vila"> Mayara Chagas Ávila</a>, <a href="https://publications.waset.org/abstracts/search?q=Plinio%20Salmazo%20Vieira"> Plinio Salmazo Vieira</a>, <a href="https://publications.waset.org/abstracts/search?q=Antonio%20Bonomi"> Antonio Bonomi</a>, <a href="https://publications.waset.org/abstracts/search?q=Gabriela%20Persinoti"> Gabriela Persinoti</a>, <a href="https://publications.waset.org/abstracts/search?q=Mario%20Tyago%20Murakami"> Mario Tyago Murakami</a>, <a href="https://publications.waset.org/abstracts/search?q=Thomas%20Michael%20Makris"> Thomas Michael Makris</a>, <a href="https://publications.waset.org/abstracts/search?q=Leticia%20Maria%20Zanphorlin"> Leticia Maria Zanphorlin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Alkenes have an economic appeal, especially in the biofuels field, since they are precursors for drop-in biofuels production, which have similar chemical and physical properties to the conventional fossil fuels, with no oxygen in their composition. After the discovery of the first P450 CYP152 OleTJE in 2011, reported with its unique property of decarboxylating fatty acids (FA), by using hydrogen peroxide as a cofactor and producing 1-alkenes as the main product, the scientific and technological interest in this family of enzymes vastly increased. In this context, the present work presents a new decarboxylase (OleTRN) with low similarity with OleTJE (32%), its biochemical characterization, and structure elucidation. As main results, OleTRN presented a high yield of expression and purity, optimum reaction conditions at 35 °C and pH from 6.5 to 8.0, and higher specificity for oleic acid. Besides that, structure-guided mutations were performed and according to the functional characterizations, it was observed that some mutations presented different specificity and chemoselectivity by varying the chain-length of FA substrates from 12 to 20 carbons. These results are extremely interesting from a biotechnological perspective as those characteristics could diversify the applications and contribute to designing better cytochrome P450 decarboxylases. Considering that peroxygenases have the potential activity of decarboxylating and hydroxylating fatty acids and that the elucidation of the intriguing mechanistic involved in the decarboxylation preferential from OleTJE is still a challenge, the elucidation of OleTRN structure and the functional characterizations of OleTRN and its mutants contribute to new information about CYP152. Besides that, the work also contributed to the discovery of a new decarboxylase with a different selectivity profile from OleTJE, which allows a wide range of applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=P450" title="P450">P450</a>, <a href="https://publications.waset.org/abstracts/search?q=decarboxylases" title=" decarboxylases"> decarboxylases</a>, <a href="https://publications.waset.org/abstracts/search?q=alkenes" title=" alkenes"> alkenes</a>, <a href="https://publications.waset.org/abstracts/search?q=biofuels" title=" biofuels"> biofuels</a> </p> <a href="https://publications.waset.org/abstracts/140579/biochemical-characterization-and-structure-elucidation-of-a-new-cytochrome-p450-decarboxylase" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/140579.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">202</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">33</span> Math Rally Proposal for the Teaching-Learning of Algebra</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Liliana%20O.%20Mart%C3%ADnez">Liliana O. Martínez</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20E.%20Gonz%C3%A1lez"> Juan E. González</a>, <a href="https://publications.waset.org/abstracts/search?q=Manuel%20Ram%C3%ADrez-Aranda"> Manuel Ramírez-Aranda</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Cervantes-Herrera"> Ana Cervantes-Herrera</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, the use of a collection of mathematical challenges and puzzles aimed at students who are starting in algebra is proposed. The selected challenges and puzzles are intended to arouse students' interest in this area of mathematics, in addition to facilitating the teaching-learning process through challenges such as riddles, crossword puzzles, and board games, all in everyday situations that allow them to build themselves the learning. For this, it is proposed to carry out a "Math Rally: algebra" divided into four sections: mathematical reasoning, a hierarchy of operations, fractions, and algebraic equations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=algebra" title="algebra">algebra</a>, <a href="https://publications.waset.org/abstracts/search?q=algebraic%20challenge" title=" algebraic challenge"> algebraic challenge</a>, <a href="https://publications.waset.org/abstracts/search?q=algebraic%20puzzle" title=" algebraic puzzle"> algebraic puzzle</a>, <a href="https://publications.waset.org/abstracts/search?q=math%20rally" title=" math rally"> math rally</a> </p> <a href="https://publications.waset.org/abstracts/156056/math-rally-proposal-for-the-teaching-learning-of-algebra" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156056.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">174</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">32</span> #Push Mo Yan: A Study of the Influence of Facebook and Twitter to Adolescent Communication</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rebecca%20Cervantes">Rebecca Cervantes</a>, <a href="https://publications.waset.org/abstracts/search?q=Elishah%20Maro%20Pangilinan">Elishah Maro Pangilinan </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The current research used Uses and gratifications theory to further understand the motivations and satisfaction students get from Facebook and Twitter. The researchers relate the objectives in developing uses and gratifications theory 1) to explain how individuals use mass communication to gratify their needs, “what do people do with the media” many of these young adults use social media networks to communicate with family, friends, and even strangers. Social media sites have created new and non-personal ways for people to interact with others and young adults have taken advantage of this technological trend; 2) to discover underlying motives for individuals’ media use 3) to identify the positive and the negative consequences of individual media use. The researchers use survey questionnaires to gather information that is used in this study. A descriptive analysis was used to measure the answers to a 24-item questionnaire. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adolescent" title="adolescent">adolescent</a>, <a href="https://publications.waset.org/abstracts/search?q=communication" title=" communication"> communication</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20media" title=" social media"> social media</a>, <a href="https://publications.waset.org/abstracts/search?q=%23Hashtag" title=" #Hashtag"> #Hashtag</a> </p> <a href="https://publications.waset.org/abstracts/20112/push-mo-yan-a-study-of-the-influence-of-facebook-and-twitter-to-adolescent-communication" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20112.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">293</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">31</span> Analysis of Supply Chain Risk Management Strategies: Case Study of Supply Chain Disruptions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marcelo%20Dias%20Carvalho">Marcelo Dias Carvalho</a>, <a href="https://publications.waset.org/abstracts/search?q=Leticia%20Ishikawa"> Leticia Ishikawa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Supply Chain Risk Management refers to a set of strategies used by companies to avoid supply chain disruption caused by damage at production facilities, natural disasters, capacity issues, inventory problems, incorrect forecasts, and delays. Many companies use the techniques of the Toyota Production System, which in a way goes against a better management of supply chain risks. This paper studies key events in some multinationals to analyze the trade-off between the best supply chain risk management techniques and management policies designed to create lean enterprises. The result of a good balance of these actions is the reduction of losses, increased customer trust in the company and better preparedness to face the general risks of a supply chain. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=just%20in%20time" title="just in time">just in time</a>, <a href="https://publications.waset.org/abstracts/search?q=lean%20manufacturing" title=" lean manufacturing"> lean manufacturing</a>, <a href="https://publications.waset.org/abstracts/search?q=supply%20chain%20disruptions" title=" supply chain disruptions"> supply chain disruptions</a>, <a href="https://publications.waset.org/abstracts/search?q=supply%20chain%20management" title=" supply chain management"> supply chain management</a> </p> <a href="https://publications.waset.org/abstracts/51640/analysis-of-supply-chain-risk-management-strategies-case-study-of-supply-chain-disruptions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51640.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">338</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">30</span> Using Data from Foursquare Web Service to Represent the Commercial Activity of a City</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Taras%20Agryzkov">Taras Agryzkov</a>, <a href="https://publications.waset.org/abstracts/search?q=Almudena%20Nolasco-Cirugeda"> Almudena Nolasco-Cirugeda</a>, <a href="https://publications.waset.org/abstracts/search?q=Jose%20L.%20Oliver"> Jose L. Oliver</a>, <a href="https://publications.waset.org/abstracts/search?q=Leticia%20Serrano-Estrada"> Leticia Serrano-Estrada</a>, <a href="https://publications.waset.org/abstracts/search?q=Leandro%20Tortosa"> Leandro Tortosa</a>, <a href="https://publications.waset.org/abstracts/search?q=Jose%20F.%20Vicent"> Jose F. Vicent</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims to represent the commercial activity of a city taking as source data the social network Foursquare. The city of Murcia is selected as case study, and the location-based social network Foursquare is the main source of information. After carrying out a reorganisation of the user-generated data extracted from Foursquare, it is possible to graphically display on a map the various city spaces and venues –especially those related to commercial, food and entertainment sector businesses. The obtained visualisation provides information about activity patterns in the city of Murcia according to the people`s interests and preferences and, moreover, interesting facts about certain characteristics of the town itself. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=social%20networks" title="social networks">social networks</a>, <a href="https://publications.waset.org/abstracts/search?q=spatial%20analysis" title=" spatial analysis"> spatial analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20visualization" title=" data visualization"> data visualization</a>, <a href="https://publications.waset.org/abstracts/search?q=geocomputation" title=" geocomputation"> geocomputation</a>, <a href="https://publications.waset.org/abstracts/search?q=Foursquare" title=" Foursquare"> Foursquare</a> </p> <a href="https://publications.waset.org/abstracts/19260/using-data-from-foursquare-web-service-to-represent-the-commercial-activity-of-a-city" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19260.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">426</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">29</span> Economic Development and New Challenges: Biomass Energy and Sustainability</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fabricia%20G.%20F.%20S.%20Rossato">Fabricia G. F. S. Rossato</a>, <a href="https://publications.waset.org/abstracts/search?q=Ieda%20G.%20Hidalgo"> Ieda G. Hidalgo</a>, <a href="https://publications.waset.org/abstracts/search?q=Andres%20Susseta"> Andres Susseta</a>, <a href="https://publications.waset.org/abstracts/search?q=Felipe%20Casale"> Felipe Casale</a>, <a href="https://publications.waset.org/abstracts/search?q=Leticia%20H.%20Nakamiti"> Leticia H. Nakamiti</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research was conducted to show the useful source of biomass energy provided from forest waste and the black liquor from the pulping process. This energy source could be able to assist and improve its area environment in a sustainable way. The research will demonstrate the challenges from producing the biomass energy and the implantation of the pulp industry in the city of Três Lagoas, MS. – Brazil. Planted forest’s potential, energy production in the pulp industries and its consequence of impacts on the local region environmental was also studied and examined. The present study is classified as descriptive purposes as it exposes the characteristics of a given population and the means such as bibliographical and documentary. All the data and information collected and demonstrate in this study was carefully analyzed and provided from reliable sources such as official government agencies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Brazil" title="Brazil">Brazil</a>, <a href="https://publications.waset.org/abstracts/search?q=pulp%20industry" title=" pulp industry"> pulp industry</a>, <a href="https://publications.waset.org/abstracts/search?q=renewable%20energy" title=" renewable energy"> renewable energy</a>, <a href="https://publications.waset.org/abstracts/search?q=Tr%C3%AAs%20Lagoas" title=" Três Lagoas"> Três Lagoas</a> </p> <a href="https://publications.waset.org/abstracts/67877/economic-development-and-new-challenges-biomass-energy-and-sustainability" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67877.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">328</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">28</span> Towards a Security Model against Denial of Service Attacks for SIP Traffic</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arellano%20Karina">Arellano Karina</a>, <a href="https://publications.waset.org/abstracts/search?q=Diego%20Avila-Pes%C3%A1ntez"> Diego Avila-Pesántez</a>, <a href="https://publications.waset.org/abstracts/search?q=Leticia%20Vaca-C%C3%A1rdenas"> Leticia Vaca-Cárdenas</a>, <a href="https://publications.waset.org/abstracts/search?q=Alberto%20Arellano"> Alberto Arellano</a>, <a href="https://publications.waset.org/abstracts/search?q=Carmen%20Mantilla"> Carmen Mantilla</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays, security threats in Voice over IP (VoIP) systems are an essential and latent concern for people in charge of security in a corporate network, because, every day, new Denial-of-Service (DoS) attacks are developed. These affect the business continuity of an organization, regarding confidentiality, availability, and integrity of services, causing frequent losses of both information and money. The purpose of this study is to establish the necessary measures to mitigate DoS threats, which affect the availability of VoIP systems, based on the Session Initiation Protocol (SIP). A Security Model called MS-DoS-SIP is proposed, which is based on two approaches. The first one analyzes the recommendations of international security standards. The second approach takes into account weaknesses and threats. The implementation of this model in a VoIP simulated system allowed to minimize the present vulnerabilities in 92% and increase the availability time of the VoIP service into an organization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Denial-of-Service%20SIP%20attacks" title="Denial-of-Service SIP attacks">Denial-of-Service SIP attacks</a>, <a href="https://publications.waset.org/abstracts/search?q=MS-DoS-SIP" title=" MS-DoS-SIP"> MS-DoS-SIP</a>, <a href="https://publications.waset.org/abstracts/search?q=security%20model" title=" security model"> security model</a>, <a href="https://publications.waset.org/abstracts/search?q=VoIP-SIP%20vulnerabilities" title=" VoIP-SIP vulnerabilities"> VoIP-SIP vulnerabilities</a> </p> <a href="https://publications.waset.org/abstracts/85955/towards-a-security-model-against-denial-of-service-attacks-for-sip-traffic" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85955.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">203</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">27</span> Synchronization of Two Mobile Robots</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20M.%20L%C3%B3pez-Guti%C3%A9rrez">R. M. López-Gutiérrez</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20A.%20Michel-Macarty"> J. A. Michel-Macarty</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Cervantes-De%20Avila"> H. Cervantes-De Avila</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20I.%20Nieto-Hip%C3%B3lito"> J. I. Nieto-Hipólito</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Cruz-Hern%C3%A1ndez"> C. Cruz-Hernández</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Cardoza-Avenda%C3%B1o"> L. Cardoza-Avendaño</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Cortiant-Velez"> S. Cortiant-Velez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> It is well know that mankind benefits from the application of robot control by virtual handlers in industrial environments. In recent years, great interest has emerged in the control of multiple robots in order to carry out collective tasks. One main trend is to copy the natural organization that some organisms have, such as, ants, bees, school of fish, birds’ migration, etc. Surely, this collaborative work, results in better outcomes than those obtain in an isolated or individual effort. This topic has a great drive because collaboration between several robots has the potential capability of carrying out more complicated tasks, doing so, with better efficiency, resiliency and fault tolerance, in cases such as: coordinate navigation towards a target, terrain exploration, and search-rescue operations. In this work, synchronization of multiple autonomous robots is shown over a variety of coupling topologies: star, ring, chain, and global. In all cases, collective synchronous behavior is achieved, in the complex networks formed with mobile robots. Nodes of these networks are modeled by a mass using Matlab to simulate them. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=robots" title="robots">robots</a>, <a href="https://publications.waset.org/abstracts/search?q=synchronization" title=" synchronization"> synchronization</a>, <a href="https://publications.waset.org/abstracts/search?q=bidirectional" title=" bidirectional"> bidirectional</a>, <a href="https://publications.waset.org/abstracts/search?q=coordinate%20navigation" title=" coordinate navigation"> coordinate navigation</a> </p> <a href="https://publications.waset.org/abstracts/1513/synchronization-of-two-mobile-robots" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1513.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">358</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26</span> Methodology for Developing an Intelligent Tutoring System Based on Marzano’s Taxonomy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joaquin%20Navarro%20Perales">Joaquin Navarro Perales</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Lidia%20Franzoni%20Vel%C3%A1zquez"> Ana Lidia Franzoni Velázquez</a>, <a href="https://publications.waset.org/abstracts/search?q=Francisco%20Cervantes%20P%C3%A9rez"> Francisco Cervantes Pérez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Mexican educational system faces diverse challenges related with the quality and coverage of education. The development of Intelligent Tutoring Systems (ITS) may help to solve some of them by helping teachers to customize their classes according to the performance of the students in online courses. In this work, we propose the adaptation of a functional ITS based on Bloom’s taxonomy called <em>Sistema de Apoyo Generalizado para la Enseñanza Individualizada</em> (SAGE), to measure student’s metacognition and their emotional response based on Marzano’s taxonomy. The students and the system will share the control over the advance in the course, so they can improve their metacognitive skills. The system will not allow students to get access to subjects not mastered yet. The interaction between the system and the student will be implemented through Natural Language Processing techniques, thus avoiding the use of sensors to evaluate student’s response. The teacher will evaluate student’s knowledge utilization, which is equivalent to the last cognitive level in Marzano’s taxonomy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=intelligent%20tutoring%20systems" title="intelligent tutoring systems">intelligent tutoring systems</a>, <a href="https://publications.waset.org/abstracts/search?q=student%20modelling" title=" student modelling"> student modelling</a>, <a href="https://publications.waset.org/abstracts/search?q=metacognition" title=" metacognition"> metacognition</a>, <a href="https://publications.waset.org/abstracts/search?q=affective%20computing" title=" affective computing"> affective computing</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20language%20processing" title=" natural language processing"> natural language processing</a> </p> <a href="https://publications.waset.org/abstracts/96468/methodology-for-developing-an-intelligent-tutoring-system-based-on-marzanos-taxonomy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96468.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">197</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">25</span> Analysis of Relative Gene Expression Data of GATA3-AS1 Associated with Resistance to Neoadjuvant Chemotherapy in Locally Advanced Breast Cancer Patients of Luminal B Subtype</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=X.%20Cervantes-L%C3%B3pez">X. Cervantes-López</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Arriaga-Canon"> C. Arriaga-Canon</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Contreras%20Espinosa"> L. Contreras Espinosa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The goal of this study is to validate the overexpression of the lncRNA GATA3-AS1 associated with resistance to neoadjuvant chemotherapy of female patients with locally advanced mammary adenocarcinoma of luminal B subtype This study involved a cohort of one hundred thirty-seven samples for which total RNA was isolated from formalin fixed paraffin embedded (FFPE) tissue. Samples were cut using a Microtome Hyrax M25 Zeiss and RNA was isolated using the RNeasy FFPE kit and a deparaffinization solution, the next step consisted in the analysis of RNA concentration and quality, then 18 µg of RNA was treated with DNase I, and cDNA was synthesized from 50 ng total RNA, finally real-time PCR was performed with SYBR Green/ROX qPCR Master Mix in order to determined relative gene expression using RPS28 as a housekeeping gene to normalize in a fold calculation ΔCt. As a result, we validated by real-time PCR that the overexpression of the lncRNA GATA3-AS1 is associated with resistance to neoadjuvant chemotherapy in locally advanced breast cancer patients of luminal B subtype. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=breast%20cancer" title="breast cancer">breast cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=biomarkers" title=" biomarkers"> biomarkers</a>, <a href="https://publications.waset.org/abstracts/search?q=genomics" title=" genomics"> genomics</a>, <a href="https://publications.waset.org/abstracts/search?q=neoadjuvant%20chemotherapy" title=" neoadjuvant chemotherapy"> neoadjuvant chemotherapy</a>, <a href="https://publications.waset.org/abstracts/search?q=lncRNAS" title=" lncRNAS"> lncRNAS</a> </p> <a href="https://publications.waset.org/abstracts/179322/analysis-of-relative-gene-expression-data-of-gata3-as1-associated-with-resistance-to-neoadjuvant-chemotherapy-in-locally-advanced-breast-cancer-patients-of-luminal-b-subtype" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/179322.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">55</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">24</span> Anaerobic Digestion of Coffee Wastewater from a Fast Inoculum Adaptation Stage: Replacement of Complex Substrate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=D.%20Lepe-Cervantes">D. Lepe-Cervantes</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Leon-Becerril"> E. Leon-Becerril</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Gomez-Romero"> J. Gomez-Romero</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20Garcia-Depraect"> O. Garcia-Depraect</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Lopez-Lopez"> A. Lopez-Lopez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, raw coffee wastewater (CWW) was used as a complex substrate for anaerobic digestion. The inoculum adaptation stage, microbial diversity analysis and biomethane potential (BMP) tests were performed. A fast inoculum adaptation stage was used by the replacement of vinasse to CWW in an anaerobic sequential batch reactor (AnSBR) operated at mesophilic conditions. Illumina MiSeq sequencing was used to analyze the microbial diversity. While, BMP tests using inoculum adapted to CWW were carried out at different inoculum to substrate (I/S) ratios (2:1, 3:1 and 4:1, on a VS basis). Results show that the adaptability percentage was increased gradually until it reaches the highest theoretical value in a short time of 10 d; with a methane yield of 359.10 NmL CH<sub>4</sub>/g COD-removed; <em>Methanobacterium beijingense</em> was the most abundant microbial (75%) and the greatest specific methane production was achieved at I/S ratio 4:1, whereas the lowest was obtained at 2:1, with BMP values of 320 NmL CH<sub>4</sub>/g VS and 151 NmL CH<sub>4</sub>/g VS, respectively. In conclusion, gradual replacement of substrate was a feasible method to adapt the inoculum in a short time even using complex raw substrates, whereas in the BMP tests, the specific methane production was proportional to the initial amount of inoculum. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anaerobic%20digestion" title="anaerobic digestion">anaerobic digestion</a>, <a href="https://publications.waset.org/abstracts/search?q=biomethane%20potential%20test" title=" biomethane potential test"> biomethane potential test</a>, <a href="https://publications.waset.org/abstracts/search?q=coffee%20wastewater" title=" coffee wastewater"> coffee wastewater</a>, <a href="https://publications.waset.org/abstracts/search?q=fast%20inoculum%20adaptation" title=" fast inoculum adaptation"> fast inoculum adaptation</a> </p> <a href="https://publications.waset.org/abstracts/64826/anaerobic-digestion-of-coffee-wastewater-from-a-fast-inoculum-adaptation-stage-replacement-of-complex-substrate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64826.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">381</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">23</span> Physical Habitat Simulation and Comparison within a Lerma River Reach, with Respect to the Same but Modified Reach, to Create a Linear Park</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Garcia-Rodriguez%20Ezequiel">Garcia-Rodriguez Ezequiel</a>, <a href="https://publications.waset.org/abstracts/search?q=Luis%20A.%20Ochoa-Franco"> Luis A. Ochoa-Franco</a>, <a href="https://publications.waset.org/abstracts/search?q=Adrian%20I.%20Cervantes-Servin"> Adrian I. Cervantes-Servin </a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, the Ictalurus punctatus species estimated available physical habitat is compared with the estimated physical habitat for the same but modified river reach, with the aim of creating a linear park, along a length of 5 500 m. To determine the effect of ecological park construction, on physical habitat of the Lerma river stretch of study, first, the available habitat for the Ictalurus punctatus species was estimated through the simulation of the physical habitat, by using surveying, hydraulics, and habitat information gotten at the river reach in its actual situation. Second, it was estimated the available habitat for the above species, upon the simulation of the physical habitat through the proposed modification for the ecological park creation. Third, it is presented a comparison between both scenarios in terms of available habitat estimated for Ictalurus punctatus species, concluding that in cases of adult and spawning life stages, changes in the channel to create an ecological park would produce a considerable loss of potentially usable habitat (PUH), while in the case of the juvenile life stage PUH remains virtually unchanged, and in the case of life stage fry the PUH would increase due to the presence of velocities and depths of lesser magnitude, due to the presence of minor flow rates and lower volume of the wet channel. It is expected that habitat modification for linear park construction may produce the lack of Ictalurus punktatus species conservation at the river reach of the study. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Habitat%20modification" title="Habitat modification">Habitat modification</a>, <a href="https://publications.waset.org/abstracts/search?q=Ictalurus%20punctatus" title=" Ictalurus punctatus"> Ictalurus punctatus</a>, <a href="https://publications.waset.org/abstracts/search?q=Lerma" title=" Lerma"> Lerma</a>, <a href="https://publications.waset.org/abstracts/search?q=river" title=" river"> river</a>, <a href="https://publications.waset.org/abstracts/search?q=linear%20park" title=" linear park"> linear park</a> </p> <a href="https://publications.waset.org/abstracts/29239/physical-habitat-simulation-and-comparison-within-a-lerma-river-reach-with-respect-to-the-same-but-modified-reach-to-create-a-linear-park" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29239.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">475</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">22</span> Development of Filling Material in 3D Printer with the Aid of Computer Software for Supported with Natural Zeolite for the Removal of Nitrogen and Phosphorus</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lu%C3%ADs%20Fernando%20Cusioli">Luís Fernando Cusioli</a>, <a href="https://publications.waset.org/abstracts/search?q=Leticia%20Nishi"> Leticia Nishi</a>, <a href="https://publications.waset.org/abstracts/search?q=Lucas%20Bairros"> Lucas Bairros</a>, <a href="https://publications.waset.org/abstracts/search?q=Gabriel%20Xavier%20Jorge"> Gabriel Xavier Jorge</a>, <a href="https://publications.waset.org/abstracts/search?q=Sandro%20Rog%C3%A9rio%20Lautenschalager"> Sandro Rogério Lautenschalager</a>, <a href="https://publications.waset.org/abstracts/search?q=Celso%20Varutu%20Nakamura"> Celso Varutu Nakamura</a>, <a href="https://publications.waset.org/abstracts/search?q=Ros%C3%A2ngela%20Bergamasco"> Rosângela Bergamasco</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Focusing on the elimination of nitrogen and phosphorus from sewage, the study proposes to face the challenges of eutrophication and to optimize the effectiveness of sewage treatment through biofilms and filling produced by a 3D printer, seeking to identify the most effective Polylactic Acid (PLA), Acrylonitrile Butadiene Styrene (ABS). The study also proposes to evaluate the nitrification process in a Submerged Aerated Biological Filter (FBAS) on a pilot plant scale, quantifying the removal of nitrogen and phosphorus. The experiment will consist of two distinct phases, namely, a bench stage and the implementation of a pilot plant. During the bench stage, samples will be collected at five points to characterize the microbiota. Samples will be collected, and the microbiota will be investigated using Fluorescence In Situ Hybridization (FISH), deepening the understanding of the performance of biofilms in the face of multiple variables. In this context, the study contributes to the search for effective solutions to mitigate eutrophication and, thus, strengthen initiatives to improve effluent treatment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=eutrophication" title="eutrophication">eutrophication</a>, <a href="https://publications.waset.org/abstracts/search?q=sewage%20treatment" title=" sewage treatment"> sewage treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=biofilms" title=" biofilms"> biofilms</a>, <a href="https://publications.waset.org/abstracts/search?q=nitrogen%20and%20phosphorus%20removal" title=" nitrogen and phosphorus removal"> nitrogen and phosphorus removal</a>, <a href="https://publications.waset.org/abstracts/search?q=3d%20printer" title=" 3d printer"> 3d printer</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20efficiency" title=" environmental efficiency"> environmental efficiency</a> </p> <a href="https://publications.waset.org/abstracts/172514/development-of-filling-material-in-3d-printer-with-the-aid-of-computer-software-for-supported-with-natural-zeolite-for-the-removal-of-nitrogen-and-phosphorus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172514.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">89</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">21</span> Analysis of Gas Transport and Sorption Processes in Coal under Confining Pressure Conditions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anna%20Pajdak">Anna Pajdak</a>, <a href="https://publications.waset.org/abstracts/search?q=Mateusz%20%20Kudasik"> Mateusz Kudasik</a>, <a href="https://publications.waset.org/abstracts/search?q=Norbert%20%20Skoczylas"> Norbert Skoczylas</a>, <a href="https://publications.waset.org/abstracts/search?q=Leticia%20Teixeira%20Palla%20Braga"> Leticia Teixeira Palla Braga </a> </p> <p class="card-text"><strong>Abstract:</strong></p> A substantial majority of gas transport and sorption researches into coal are carried out on samples that are free of stress. In natural conditions, coal occurs at considerable depths, which often exceed 1000 meters. In such conditions, coal is subjected to geostatic pressure. Thus, in natural conditions, the sorption capacity of coal subjected to geostatic pressure can differ considerably from the sorption capacity of coal, determined in laboratory conditions, which is free of stress. The work presents the results of filtration and sorption tests of gases in coal under confining pressure conditions. The tests were carried out on the author's device, which ensures: confining pressure regulation in the range of 0-30 MPa, isobaric gas pressure conditions, and registration of changes in sample volume during its gas saturation. Based on the conducted research it was found, among others, that the sorption capacity of coal relative to CO₂ was reduced by about 15% as a result of the change in the confining pressure from 1.5 MPa to 30 MPa exerted on the sample. The same change in sample load caused a significant, more than tenfold reduction in carbon permeability to CO₂. The results confirmed that a load of coal corresponding to a hydrostatic pressure of 1000 meters underground reduces its permeability and sorption properties. These results are so important that the effect of load on the sorption properties of coal should be taken into account in laboratory studies on the applicability of CO₂ Enhanced Coal Bed Methane Recovery (CO₂-ECBM) technology. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coal" title="coal">coal</a>, <a href="https://publications.waset.org/abstracts/search?q=confining%20pressure" title=" confining pressure"> confining pressure</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20transport" title=" gas transport"> gas transport</a>, <a href="https://publications.waset.org/abstracts/search?q=sorption" title=" sorption"> sorption</a> </p> <a href="https://publications.waset.org/abstracts/124125/analysis-of-gas-transport-and-sorption-processes-in-coal-under-confining-pressure-conditions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/124125.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">121</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">20</span> Effect of Temperature on the Properties of Cement Paste Modified with Nanoparticles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Karine%20Pimenta%20Teixeira">Karine Pimenta Teixeira</a>, <a href="https://publications.waset.org/abstracts/search?q=Jessica%20Flores"> Jessica Flores</a>, <a href="https://publications.waset.org/abstracts/search?q=Isadora%20Perdig%C3%A3O%20Rocha"> Isadora PerdigãO Rocha</a>, <a href="https://publications.waset.org/abstracts/search?q=Leticia%20De%20S%C3%A1%20Carneiro"> Leticia De Sá Carneiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahsa%20Kamali"> Mahsa Kamali</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Ghahremaninezhad"> Ali Ghahremaninezhad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The advent of nanotechnology has enabled innovative solutions towards improving the behavior of infrastructure materials. Nanomaterials have the potential to revolutionize the construction industry by improving the performance and durability of construction materials, as well as imparting new functionalities to these materials. Due to variability in the environmental temperature during mixing and curing of cementitious materials in practice, it is important to understand how curing temperature influences the behavior of cementitious materials. In addition, high temperature curing is relevant in applications such as oil well cement and precast industry. Knowledge of the influence of temperature on the performance of cementitious materials modified with nanoparticles is important in the nanoengineering of cementitious materials in applications such as oil well cement and precast industry. This presentation aims to investigate the influence of temperature on the hydration, mechanical properties and durability of cementitious materials modified with TiO2 nanoparticles. It was found that temperature improved the early hydration. The cement pastes cured at high temperatures showed an increase in the compressive strength at early age but the strength gain decreased at late ages. The electrical resistivity of the cement pastes cured at high temperatures was shown to decrease more noticeably at late ages compared to that of the room temperature cured cement paste. SEM examination indicated that hydration product was more uniformly distributed in the microstructure of the cement paste cured at room temperature compared to the cement pastes cured at high temperature. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cement%20paste" title="cement paste">cement paste</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoparticles" title=" nanoparticles"> nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature" title=" temperature"> temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=hydration" title=" hydration"> hydration</a> </p> <a href="https://publications.waset.org/abstracts/59309/effect-of-temperature-on-the-properties-of-cement-paste-modified-with-nanoparticles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59309.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">317</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">19</span> Photodegradation of Profoxydim Herbicide in Amended Paddy Soil-Water System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Cervantes-Diaz">A. Cervantes-Diaz</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Sevilla-Moran"> B. Sevilla-Moran</a>, <a href="https://publications.waset.org/abstracts/search?q=Manuel%20Alcami"> Manuel Alcami</a>, <a href="https://publications.waset.org/abstracts/search?q=Al%20Mokhtar%20Lamsabhi"> Al Mokhtar Lamsabhi</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20L.%20Alonso-Prados"> J. L. Alonso-Prados</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Sandin-Espa%C3%B1a"> P. Sandin-España</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Profoxydim is a post-emergence herbicide belonging to the cyclohexanedione oxime family, used to control weeds in rice crops. The use of soil organic amendments has increased significantly in the last decades, and their effects on the behavior of many herbicides are still unknown. Additionally, it is known that photolysis is an important degradation process to be considered when evaluating the persistence of this family of herbicides in the environment. In this work, the photodegradation of profoxydim in an amended paddy soil-water system with alperujo compost was studied. Photodegradation experiments were carried out under laboratory conditions using simulated solar light (Suntest equipment) in order to evaluate the reaction kinetics of the active substance. The photochemical behavior of profoxydim was investigated in soil with and without alperujo amendment. Furthermore, due to the rice crop characteristics, profoxydim photodegradation in water in contact with these types of soils was also studied. Determination of profoxydim degradation kinetics was performed by High-Performance Liquid Chromatography with Diode-Array Detection (HPLC-DAD). Furthermore, we followed the evolution of resulting transformation by-products, and their tentative identification was achieved by mass spectrometry. All the experiments allowed us to fit the data of profoxydim photodegradation to a first-order kinetic. Photodegradation of profoxydim was very rapid in all cases. The half-lives in aqueous matrices were in the range of 86±0.3 to 103±0.5 min. The addition of alperujo amendment to the soil produced an increase in the half-life from 62±0.2 min (soil) to 75±0.3 min (amended soil). In addition, a comparison to other organic amendments was also performed. Results showed that the presence of the organic amendment retarded the photodegradation in paddy soil and water. Regarding degradation products, the main process involved was the cleavage of the oxime moiety giving rise to the formation of the corresponding imine compound. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=by-products" title="by-products">by-products</a>, <a href="https://publications.waset.org/abstracts/search?q=herbicide" title=" herbicide"> herbicide</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20amendment" title=" organic amendment"> organic amendment</a>, <a href="https://publications.waset.org/abstracts/search?q=photodegradation" title=" photodegradation"> photodegradation</a>, <a href="https://publications.waset.org/abstracts/search?q=profoxydim" title=" profoxydim"> profoxydim</a> </p> <a href="https://publications.waset.org/abstracts/164086/photodegradation-of-profoxydim-herbicide-in-amended-paddy-soil-water-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/164086.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">79</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">18</span> The Impact of Iso 9001 Certification on Brazilian Firms’ Performance: Insights from Multiple Case Studies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Matheus%20Borges%20Carneiro">Matheus Borges Carneiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Fabiane%20Leticia%20Lizarelli"> Fabiane Leticia Lizarelli</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20Carlos%20De%20%20Toledo"> José Carlos De Toledo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The evolution of quality management by companies was strongly enabled by, among others, ISO 9001 certification, which is considered a crucial requirement for several customers. Likewise, performance measurement provides useful insights for companies to identify the reflection of their decision-making process on their improvement. One of the most used performance measurement models is the balanced scorecard (BSC), which uses four perspectives to address a firm’s performance: financial, internal process, customer satisfaction, and learning and growth. Studies related to ISO 9001 and business performance have mostly adopted a quantitative approach to identify the standard’s causal effect on a firm’s performance. However, to verify how this influence may occur, an in-depth analysis within a qualitative approach is required. Therefore, this paper aims to verify the impact of ISO 9001:2015 on Brazilian firms’ performance based on the balanced scorecard perspective. Hence, nine certified companies located in the Southeast region of Brazil were studied through a multiple case study approach. Within this study, it was possible to identify the positive impact of ISO 9001 on firms’ overall performance, and four Critical Success Factors (CSFs) were identified as relevant on the linkage among ISO 9001 and firms’ performance: employee involvement, top management, process management, and customer focus. Due to the COVID-19 pandemic, the number of interviews was limited to the quality manager specialist, and the sample was limited since several companies were closed during the period of the study. This study presents an in-depth analysis of how the relationship between ISO 9001 certification and firms’ performance in a developing country is. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=balanced%20scorecard" title="balanced scorecard">balanced scorecard</a>, <a href="https://publications.waset.org/abstracts/search?q=Brazilian%20firms%E2%80%99%20performance" title=" Brazilian firms’ performance"> Brazilian firms’ performance</a>, <a href="https://publications.waset.org/abstracts/search?q=critical%20success%20factors" title=" critical success factors"> critical success factors</a>, <a href="https://publications.waset.org/abstracts/search?q=ISO%209001%20certification" title=" ISO 9001 certification"> ISO 9001 certification</a>, <a href="https://publications.waset.org/abstracts/search?q=performance%20measurement" title=" performance measurement"> performance measurement</a> </p> <a href="https://publications.waset.org/abstracts/135697/the-impact-of-iso-9001-certification-on-brazilian-firms-performance-insights-from-multiple-case-studies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135697.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">198</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">17</span> Post-Anesthetic Recovery: The Best Moment to Apply Positive Pressure in Airway in Postoperative Bariatric Surgery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eli%20Maria%20Pazzianotto-Forti">Eli Maria Pazzianotto-Forti</a>, <a href="https://publications.waset.org/abstracts/search?q=Patr%C3%ADcia%20Brigatto"> Patrícia Brigatto</a>, <a href="https://publications.waset.org/abstracts/search?q=Let%C3%ADcia%20Baltieri"> Letícia Baltieri</a>, <a href="https://publications.waset.org/abstracts/search?q=Carolina%20Moraes%20Da%20Costa"> Carolina Moraes Da Costa</a>, <a href="https://publications.waset.org/abstracts/search?q=Maura%20Rigoldi%20Simoes%20Da%20Rocha"> Maura Rigoldi Simoes Da Rocha</a>, <a href="https://publications.waset.org/abstracts/search?q=Irineu%20Rasera%20Jr"> Irineu Rasera Jr</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The application of positive pressure in airway can contribute to the restoration of lung volumes, capacities and prevent respiratory complications. The aim was to investigate the use of Bilevel Positive Airway Pressure (BIPAP) in morbidly obese in two moments in postoperative bariatric surgery: In the post-anesthetic recovery (PAR) and on the 1st postoperative day (1stPO). Twenty morbidly obese, aged between 25 and 55 years, underwent pulmonary function test and chest X-ray preoperatively and on the day of discharge (2nd day after surgery). They were randomly allocated in groups. GPAR: received BIPAP treatment in PAR, for an hour and G1stPO: received BIPAP for one hour, on the 1stPO. There were significant reductions in slow vital capacity (SVC) (p=0.0007), inspiratory reserve volume (IRV) (p=0.0016) and forced vital capacity (FVC) (p=0.0013) in the postoperative in GPAR and the expiratory reserve volume (ERV) remained (p=0.4446). In the G1stPO, there were significant reductions for: SVC p=<0.0001, ERV p=0.0191, IRV p= 0.0026 and FVC p=<0.0001. Comparing between groups, the SVC (p=0.0027) and FVC (p=0.0028) showed significant difference between the treatments. However, the GPAR showed fewer declines of these capacities. To the ERV (p= 0.1646) and IRV (p=0.3973) there was no significant difference between groups. The atelectasis prevalence was 10% for the GPAR and 30% for G1stPO, with significant difference between the proportions (p = 0.0027). The lowest reduction in SVC and FVC happens when positive pressure is applied in PAR. Thus, the use of BIPAP in the PAR can promote a restoration of ERV and contribute to the reduction of atelectasis. FAPESP 2013/06334-8. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=atelectasis" title="atelectasis">atelectasis</a>, <a href="https://publications.waset.org/abstracts/search?q=bariatric%20surgery" title=" bariatric surgery"> bariatric surgery</a>, <a href="https://publications.waset.org/abstracts/search?q=physiotherapy" title=" physiotherapy"> physiotherapy</a>, <a href="https://publications.waset.org/abstracts/search?q=pulmonary%20function" title=" pulmonary function"> pulmonary function</a>, <a href="https://publications.waset.org/abstracts/search?q=positive%20pressure" title=" positive pressure"> positive pressure</a> </p> <a href="https://publications.waset.org/abstracts/27083/post-anesthetic-recovery-the-best-moment-to-apply-positive-pressure-in-airway-in-postoperative-bariatric-surgery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27083.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">404</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">16</span> A Conceptual Framework for Vulnerability Assessment of Climate Change Impact on Oil and Gas Critical Infrastructures in the Niger Delta</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Justin%20A.%20Udie">Justin A. Udie</a>, <a href="https://publications.waset.org/abstracts/search?q=Subhes%20C.%20Bhatthacharyya"> Subhes C. Bhatthacharyya</a>, <a href="https://publications.waset.org/abstracts/search?q=Leticia%20Ozawa-Meida"> Leticia Ozawa-Meida</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The impact of climate change is severe in the Niger Delta and critical oil and gas infrastructures are vulnerable. This is partly due to lack of specific impact assessment framework to assess impact indices on both existing and new infrastructures. The purpose of this paper is to develop a framework for the assessment of climate change impact on critical oil and gas infrastructure in the region. Comparative and documentary methods as well as analysis of frameworks were used to develop a flexible, integrated and conceptual four dimensional framework underpinning; 1. Scoping – the theoretical identification of inherent climate burdens, review of exposure, adaptive capacities and delineation of critical infrastructure; 2. Vulnerability assessment – presents a systematic procedure for the assessment of infrastructure vulnerability. It provides real time re-scoping, practical need for data collection, analysis and review. Physical examination of systems is encouraged to complement the scoped data and ascertain the level of exposure to relevant climate risks in the area; 3. New infrastructure – consider infrastructures that are still at developmental level. It seeks to suggest the inclusion of flexible adaptive capacities in original design of infrastructures in line with climate threats and projections; 4. The Mainstreaming Climate Impact Assessment into government’s environmental decision making approach. Though this framework is designed specifically for the estimation of exposure, adaptive capacities and criticality of vulnerable oil and gas infrastructures in the Niger Delta to climate burdens; it is recommended for researchers and experts as a first-hand generic and practicable tool which can be used for the assessment of other infrastructures perceived as critical and vulnerable. The paper does not provide further tools that synch into the methodological approach but presents pointers upon which a pragmatic methodology can be developed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adaptation" title="adaptation">adaptation</a>, <a href="https://publications.waset.org/abstracts/search?q=assessment" title=" assessment"> assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=conceptual" title=" conceptual"> conceptual</a>, <a href="https://publications.waset.org/abstracts/search?q=climate" title=" climate"> climate</a>, <a href="https://publications.waset.org/abstracts/search?q=change" title=" change"> change</a>, <a href="https://publications.waset.org/abstracts/search?q=framework" title=" framework"> framework</a>, <a href="https://publications.waset.org/abstracts/search?q=vulnerability" title=" vulnerability"> vulnerability</a> </p> <a href="https://publications.waset.org/abstracts/48222/a-conceptual-framework-for-vulnerability-assessment-of-climate-change-impact-on-oil-and-gas-critical-infrastructures-in-the-niger-delta" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48222.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">317</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">15</span> Maneuvering Modelling of a One-Degree-of-Freedom Articulated Vehicle: Modeling and Experimental Verification</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mauricio%20E.%20Cruz">Mauricio E. Cruz</a>, <a href="https://publications.waset.org/abstracts/search?q=Ilse%20Cervantes"> Ilse Cervantes</a>, <a href="https://publications.waset.org/abstracts/search?q=Manuel%20J.%20Fabela"> Manuel J. Fabela</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The evaluation of the maneuverability of road vehicles is generally carried out through the use of specialized computer programs due to the advantages they offer compared to the experimental method. These programs are based on purely geometric considerations of the characteristics of the vehicles, such as main dimensions, the location of the axles, and points of articulation, without considering parameters such as weight distribution and magnitude, tire properties, etc. In this paper, we address the problem of maneuverability in a semi-trailer truck to navigate urban streets, maneuvering yards, and parking lots, using the Ackerman principle to propose a kinematic model that, through geometric considerations, it is possible to determine the space necessary to maneuver safely. The model was experimentally validated by conducting maneuverability tests with an articulated vehicle. The measurements were made through a GPS that allows us to know the position, trajectory, and speed of the vehicle, an inertial motion unit (IMU) that allows measuring the accelerations and angular speeds in the semi-trailer, and an instrumented steering wheel that allows measuring the angle of rotation of the flywheel, the angular velocity and the torque applied to the flywheel. To obtain the steering angle of the tires, a parameterization of the complete travel of the steering wheel and its equivalent in the tires was carried out. For the tests, 3 different angles were selected, and 3 turns were made for each angle in both directions of rotation (left and right turn). The results showed that the proposed kinematic model achieved 95% accuracy for speeds below 5 km / h. The experiments revealed that that tighter maneuvers increased significantly the space required and that the vehicle maneuverability was limited by the size of the semi-trailer. The maneuverability was also tested as a function of the vehicle load and 3 different load levels we used: light, medium, and heavy. It was found that the internal turning radii also increased with the load, probably due to the changes in the tires' adhesion to the pavement since heavier loads had larger contact wheel-road surfaces. The load was found as an important factor affecting the precision of the model (up to 30%), and therefore I should be considered. The model obtained is expected to be used to improve maneuverability through a robust control system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=articuled%20vehicle" title="articuled vehicle">articuled vehicle</a>, <a href="https://publications.waset.org/abstracts/search?q=experimental%20validation" title=" experimental validation"> experimental validation</a>, <a href="https://publications.waset.org/abstracts/search?q=kinematic%20model" title=" kinematic model"> kinematic model</a>, <a href="https://publications.waset.org/abstracts/search?q=maneuverability" title=" maneuverability"> maneuverability</a>, <a href="https://publications.waset.org/abstracts/search?q=semi-trailer%20truck" title=" semi-trailer truck"> semi-trailer truck</a> </p> <a href="https://publications.waset.org/abstracts/144751/maneuvering-modelling-of-a-one-degree-of-freedom-articulated-vehicle-modeling-and-experimental-verification" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144751.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">117</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">14</span> Weight Loss and Symptom Improvement in Women with Secondary Lymphedema Using Semaglutide</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shivani%20Thakur">Shivani Thakur</a>, <a href="https://publications.waset.org/abstracts/search?q=Jasmin%20Dominguez%20Cervantes"> Jasmin Dominguez Cervantes</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Zabiba"> Ahmed Zabiba</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatima%20Zabiba"> Fatima Zabiba</a>, <a href="https://publications.waset.org/abstracts/search?q=Sandhini%20Agarwal"> Sandhini Agarwal</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamalpreet%20Kaur"> Kamalpreet Kaur</a>, <a href="https://publications.waset.org/abstracts/search?q=Hussein%20Maatouk"> Hussein Maatouk</a>, <a href="https://publications.waset.org/abstracts/search?q=Shae%20Chand"> Shae Chand</a>, <a href="https://publications.waset.org/abstracts/search?q=Omar%20Madriz"> Omar Madriz</a>, <a href="https://publications.waset.org/abstracts/search?q=Tiffany%20Huang"> Tiffany Huang</a>, <a href="https://publications.waset.org/abstracts/search?q=Saloni%20Bansal"> Saloni Bansal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The prevalence of lymphedema in women in rural communities highlights the importance of developing effective treatment and prevention methods. Subjects with secondary lymphedema in California’s Central Valley were surveyed at 6 surgical clinics to assess demographics and symptoms of lymphedema. Additionally, subjects on semaglutide treatment for obesity and/or T2DM were monitored for their diabetes management, weight loss progress, and lymphedema symptoms compared to subjects who were not treated with semaglutide. The subjects were followed for 12 months. Subjects who were treated with semaglutide completed pre-treatment questionnaires and follow-up post-treatment questionnaires at 3, 6, 9, 12 months, along with medical assessment. The untreated subjects completed similar questionnaires. The questionnaires investigated subjective feelings regarding lymphedema symptoms and management using a Likert-scale; quantitative leg measurements were collected, and blood work reviewed at these appointments. Paired difference t-tests, chi-squared tests, and independent sample t-tests were performed. 50 subjects, aged 18-75 years, completed the surveys evaluating secondary lymphedema: 90% female, 69% Hispanic, 45% Spanish speaking, 42% disabled, 57 % employed, 54% income range below 30 thousand dollars, and average BMI of 40. Both treatment and non-treatment groups noted the most common symptoms were leg swelling (x̄=3.2, ▁d= 1.3), leg pain (x̄=3.2, ▁d=1.6 ), loss of daily function (x̄=3, ▁d=1.4 ), and negative body image (x̄=4.4, ▁d=0.54). Subjects in the semaglutide treatment group >3 months of treatment compared to the untreated group demonstrated: 55% subject in the treated group had a 10% weight loss vs 3% in the untreated group (average BMI reduction by 11% vs untreated by 2.5%, p<0.05) and improved subjective feelings about their lymphedema symptoms: leg swelling (x̄=2.4, ▁d=0.45 vs x̄=3.2, ▁d=1.3, p<0.05), leg pain (x̄=2.2, ▁d=0.45 vs x̄= 3.2, ▁d= 1.6, p<0.05), and heaviness (x̄=2.2, ▁d=0.45 vs x̄=3, ▁d=1.56, p<0.05). Improvement in diabetes management was demonstrated by an average of 0.9 % decrease in A1C values compared to untreated 0.1 %, p<0.05. In comparison to untreated subjects, treatment subjects on semaglutide noted 6 cm decrease in the circumference of the leg, knee, calf, and ankle compared to 2 cm in untreated subjects, p<0.05. Semaglutide was shown to significantly improve weight loss, T2DM management, leg circumference, and secondary lymphedema functional, physical and psychosocial symptoms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=diabetes" title="diabetes">diabetes</a>, <a href="https://publications.waset.org/abstracts/search?q=secondary%20lymphedema" title=" secondary lymphedema"> secondary lymphedema</a>, <a href="https://publications.waset.org/abstracts/search?q=semaglutide" title=" semaglutide"> semaglutide</a>, <a href="https://publications.waset.org/abstracts/search?q=obesity" title=" obesity"> obesity</a> </p> <a href="https://publications.waset.org/abstracts/177737/weight-loss-and-symptom-improvement-in-women-with-secondary-lymphedema-using-semaglutide" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/177737.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">61</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">13</span> A Virtual Set-Up to Evaluate Augmented Reality Effect on Simulated Driving</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alicia%20Yanadira%20Nava%20Fuentes">Alicia Yanadira Nava Fuentes</a>, <a href="https://publications.waset.org/abstracts/search?q=Ilse%20Cervantes%20Camacho"> Ilse Cervantes Camacho</a>, <a href="https://publications.waset.org/abstracts/search?q=Amadeo%20Jos%C3%A9%20Arg%C3%BCelles%20Cruz"> Amadeo José Argüelles Cruz</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Mar%C3%ADa%20Balboa%20Verduzco"> Ana María Balboa Verduzco</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Augmented reality promises being present in future driving, with its immersive technology let to show directions and maps to identify important places indicating with graphic elements when the car driver requires the information. On the other side, driving is considered a multitasking activity and, for some people, a complex activity where different situations commonly occur that require the immediate attention of the car driver to make decisions that contribute to avoid accidents; therefore, the main aim of the project is the instrumentation of a platform with biometric sensors that allows evaluating the performance in driving vehicles with the influence of augmented reality devices to detect the level of attention in drivers, since it is important to know the effect that it produces. In this study, the physiological sensors EPOC X (EEG), ECG06 PRO and EMG Myoware are joined in the driving test platform with a Logitech G29 steering wheel and the simulation software City Car Driving in which the level of traffic can be controlled, as well as the number of pedestrians that exist within the simulation obtaining a driver interaction in real mode and through a MSP430 microcontroller achieves the acquisition of data for storage. The sensors bring a continuous analog signal in time that needs signal conditioning, at this point, a signal amplifier is incorporated due to the acquired signals having a sensitive range of 1.25 mm/mV, also filtering that consists in eliminating the frequency bands of the signal in order to be interpretative and without noise to convert it from an analog signal into a digital signal to analyze the physiological signals of the drivers, these values are stored in a database. Based on this compilation, we work on the extraction of signal features and implement K-NN (k-nearest neighbor) classification methods and decision trees (unsupervised learning) that enable the study of data for the identification of patterns and determine by classification methods different effects of augmented reality on drivers. The expected results of this project include are a test platform instrumented with biometric sensors for data acquisition during driving and a database with the required variables to determine the effect caused by augmented reality on people in simulated driving. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=augmented%20reality" title="augmented reality">augmented reality</a>, <a href="https://publications.waset.org/abstracts/search?q=driving" title=" driving"> driving</a>, <a href="https://publications.waset.org/abstracts/search?q=physiological%20signals" title=" physiological signals"> physiological signals</a>, <a href="https://publications.waset.org/abstracts/search?q=test%20platform" title=" test platform"> test platform</a> </p> <a href="https://publications.waset.org/abstracts/145037/a-virtual-set-up-to-evaluate-augmented-reality-effect-on-simulated-driving" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/145037.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">142</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">12</span> An Endophyte of Amphipterygium adstringens as Producer of Cytotoxic Compounds</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Karol%20Rodriguez-Pe%C3%B1a">Karol Rodriguez-Peña</a>, <a href="https://publications.waset.org/abstracts/search?q=Martha%20L.%20Macias-Rubalcava"> Martha L. Macias-Rubalcava</a>, <a href="https://publications.waset.org/abstracts/search?q=Leticia%20Rocha-Zavaleta"> Leticia Rocha-Zavaleta</a>, <a href="https://publications.waset.org/abstracts/search?q=Sergio%20Sanchez"> Sergio Sanchez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A bioassay-guided study for anti-cancer compounds from endophytes of the Mexican medicinal plant Amphipteryygium adstringens resulted in the isolation of a streptomycete capable of producing a group of compounds with high cytotoxic activity. Microorganisms from surface sterilized samples of various sections of the plant were isolated and all the actinomycetes found were evaluated for their potential to produce compounds with cytotoxic activity against cancer cell lines MCF7 (breast cancer) and HeLa (cervical cancer) as well as the non-tumoural cell line HaCaT (keratinocyte). The most active microorganism was picked for further evaluation. The identification of the microorganism was carried out by 16S rDNA gene sequencing, finding the closest proximity to Streptomyces scabrisporus, but with the additional characteristic that the strain isolated in this study was capable of producing colorful compounds never described for this species. Crude extracts of dichloromethane and ethyl acetate showed IC50 values of 0.29 and 0.96 μg/mL for MCF7, 0.51 and 1.98 μg/mL for HeLa and 0.96 and 2.7 μg/mL for HaCaT. Scaling the fermentation to 10 L in a bioreactor generated 1 g of total crude extract, which was fractionated by silica gel open column to yield 14 fractions. Nine of the fractions showed cytotoxic activity. Fraction 4 was chosen for subsequent purification because of its high activity against cancerous cell lines, lower activity against keratinocytes. HPLC-UV-MS/ESI was used for the evaluation of this fraction, finding at least 10 different compounds with high values of m/z (≈588). Purification of the compounds was carried out by preparative thin-layer chromatography. The prevalent compound was Steffimycin B, a molecule known for its antibiotic and cytotoxic activities and also for its low solubility in aqueous solutions. Along with steffimycin B, another five compounds belonging to the steffimycin family were isolated and at this moment their structures are being elucidated, some of which display better solubility in water: an attractive property for the pharmaceutical industry. As a conclusion to this study, the isolation of endophytes resulted in the discovery of a strain capable of producing compounds with high cytotoxic activity that need to be studied for their possible utilization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=amphipterygium%20adstringens" title="amphipterygium adstringens">amphipterygium adstringens</a>, <a href="https://publications.waset.org/abstracts/search?q=cytotoxicity" title=" cytotoxicity"> cytotoxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=streptomyces%20scabrisporus" title=" streptomyces scabrisporus"> streptomyces scabrisporus</a>, <a href="https://publications.waset.org/abstracts/search?q=steffimycin" title=" steffimycin"> steffimycin</a> </p> <a href="https://publications.waset.org/abstracts/66620/an-endophyte-of-amphipterygium-adstringens-as-producer-of-cytotoxic-compounds" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/66620.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">364</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">11</span> The Relationship between the Social Entrepreneur and the Social Dimension of Sustainability: A Bibliometric Survey of the Last Twelve Years</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leticia%20Lengler">Leticia Lengler</a>, <a href="https://publications.waset.org/abstracts/search?q=Jefferson%20Oliveira"> Jefferson Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Vania%20Estivalete"> Vania Estivalete</a>, <a href="https://publications.waset.org/abstracts/search?q=Jordana%20Marques%20Kneipp"> Jordana Marques Kneipp</a>, <a href="https://publications.waset.org/abstracts/search?q=Lucia%20Regina%20Da%20Rosa%20Gama%20Madruga"> Lucia Regina Da Rosa Gama Madruga</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The way social entrepreneurs act and can positively impact on our society engages the interest of academics, companies and governments, who seek solutions to solve or alleviate issues related to the abuse of natural resources, as well as the increase of poverty (social aspects). Studies on social entrepreneurship have been characterized by diverse ramifications and their transdisciplinary character, permeating various disciplines and approaches. Different bibliometric studies were conducted within the theme of social entrepreneurship. In this context, because it is a topic in development and multifaceted, the aim of this article is to present the main interfaces of the studies on the Social Entrepreneur figure in relation to the social concern of sustainability, highlighting the relevant researches and their trends, as well as their relationship with the organizations. Aiming to achieve this purpose, the specific goals are: to identify the most cited authors and articles, to verify the authors and journals with the greatest number of publications and their approaches and to point out their affiliations, countries, and languages of publications. It is still a secondary objective to identify the emerging trends in relation to the social entrepreneur and his social concern stemming from the discussions on sustainability. This way, we analyzed articles from two international databases (Scopus and Web of Science), from 2004 to 2016. The main results were the increase in the number of publications, with most of them in English language, coming mainly from the United States institutions (such as Indiana University and Harvard University) and the United Kingdom (whose main institutions are University of London and Robert Gordon University). Although publications in Spanish and Portuguese are the least expressive in quantity, some tendencies point to publications that discuss the social entrepreneur in terms of gender (that relates to female entrepreneurship) and social class (that relates to the need of building communities that contemplate the Social entrepreneur at the base of the pyramid). It should be noted that the trends of the themes emerged from the analysis of the publication titles only in Portuguese, since this is the native language of the authors who carry out their studies mainly in Brazil. When considering articles in Portuguese (57 indicated by WOS and 9 by Scopus), a previous analysis of the titles was carried out to identify how researchers were approaching the theme social entrepreneur in a joint way to the social dimension of sustainability. However, the analysis of the titles themselves brought a limitation to our study, since it was felt a need to carry out a qualitative study, in which it could be possible to consider the abstracts of the available articles. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=base%20of%20pyramid" title="base of pyramid">base of pyramid</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20dimension" title=" social dimension"> social dimension</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20entrepreneur" title=" social entrepreneur"> social entrepreneur</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainability" title=" sustainability"> sustainability</a> </p> <a href="https://publications.waset.org/abstracts/67388/the-relationship-between-the-social-entrepreneur-and-the-social-dimension-of-sustainability-a-bibliometric-survey-of-the-last-twelve-years" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67388.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">388</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">10</span> Evaluation of Antarctic Bacteria as Potential Producers of Cellulolytic Enzymes of Industrial Interest</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Claudio%20Lamilla">Claudio Lamilla</a>, <a href="https://publications.waset.org/abstracts/search?q=Andr%C3%A9s%20Santos"> Andrés Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Vicente%20Llanquinao"> Vicente Llanquinao</a>, <a href="https://publications.waset.org/abstracts/search?q=Jocelyn%20Hermosilla"> Jocelyn Hermosilla</a>, <a href="https://publications.waset.org/abstracts/search?q=Leticia%20Barrientos"> Leticia Barrientos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The industry in general is very interested in improving and optimizing industrial processes in order to reduce the costs involved in obtaining raw materials and production. Thus, an interesting and cost-effective alternative is the incorporation of bioactive metabolites in such processes, being an example of this enzymes which catalyze efficiently a large number of enzymatic reactions of industrial and biotechnological interest. In the search for new sources of these active metabolites, Antarctica is one of the least explored places on our planet where the most drastic cold conditions, salinity, UVA-UVB and liquid water available are present, features that have shaped all life in this very harsh environment, especially bacteria that live in different Antarctic ecosystems, which have had to develop different strategies to adapt to these conditions, producing unique biochemical strategies. In this work the production of cellulolytic enzymes of seven bacterial strains isolated from marine sediments at different sites in the Antarctic was evaluated. Isolation of the strains was performed using serial dilutions in the culture medium at M115°C. The identification of the strains was performed using universal primers (27F and 1492R). The enzyme activity assays were performed on R2A medium, carboxy methyl cellulose (CMC)was added as substrate. Degradation of the substrate was revealed by adding Lugol. The results show that four of the tested strains produce enzymes which degrade CMC substrate. The molecular identifications, showed that these bacteria belong to the genus Streptomyces and Pseudoalteromonas, being Streptomyces strain who showed the highest activity. Only some bacteria in marine sediments have the ability to produce these enzymes, perhaps due to their greater adaptability to degrade at temperatures bordering zero degrees Celsius, some algae that are abundant in this environment and have cellulose as the main structure. The discovery of new enzymes adapted to cold is of great industrial interest, especially for paper, textiles, detergents, biofuels, food and agriculture. These enzymes represent 8% of industrial demand worldwide and is expected to increase their demand in the coming years. Mainly in the paper and food industry are required in extraction processes starch, protein and juices, as well as the animal feed industry where treating vegetables and grains helps improve the nutritional value of the food, all this clearly puts Antarctic microorganisms and their enzymes specifically as a potential contribution to industry and the novel biotechnological applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antarctic" title="antarctic">antarctic</a>, <a href="https://publications.waset.org/abstracts/search?q=bacteria" title=" bacteria"> bacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=biotechnological" title=" biotechnological"> biotechnological</a>, <a href="https://publications.waset.org/abstracts/search?q=cellulolytic%20enzymes" title=" cellulolytic enzymes"> cellulolytic enzymes</a> </p> <a href="https://publications.waset.org/abstracts/25693/evaluation-of-antarctic-bacteria-as-potential-producers-of-cellulolytic-enzymes-of-industrial-interest" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25693.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">297</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9</span> Interface between Personal Values and Social Entrepreneurship in Social Projects That Develop Sports Practice </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leticia%20Lengler">Leticia Lengler</a>, <a href="https://publications.waset.org/abstracts/search?q=Jefferson%20Oliveira"> Jefferson Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Vania%20Estivalete"> Vania Estivalete</a>, <a href="https://publications.waset.org/abstracts/search?q=Jordana%20Marques%20Kneipp"> Jordana Marques Kneipp</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The context of social, economic and environmental transformations has driven innumerable changes in the organizational environment, influencing the social interactions that occur in this scenario. In this sense, social entrepreneurship emerges as a unique opportunity to challenge, question, rethink certain concepts and traditional theories widely discussed in relation to entrepreneurship. Therefore, the interest in studying personal values has been based on the idea that they might be predictors of the behavior of individuals. As an attempt to relate personal values with the characteristics of social entrepreneurs, this study aims to investigate the salient values and the social entrepreneurship perceptions that occur in two social projects responsible for developing sports skills among the students. For purposes of analysis, it is intended to consider: (i) a description of both Social Projects and their respective institutions, considering their history and relevance in the context; (ii) analysis of the personal values of the idealizers and teachers responsible for the projects, (iii) identification of the characteristics of social entrepreneurship manifested in the two projects, and (iv) discussion of similarities and disparities of the categories identified among the participants of the projects. Therefore, this study will carry a qualitative analysis from the interviews with 10 participants of each social project (named Projeto Remar/ASENA and Projeto Mãos Dadas/JUDÔ SANTA MARIA): 2 projects coordinators, 2 students, 2 parents of students, 2 physical education internships and 2 businessmen who stablished a partnership with each project. The data collection will be done through semi-structured interviews that are going to last around 30 minutes each, being recorded, transcribed and later analyzed, through the categorical analysis. The option for categorical analysis is supported by the fact that it is the best alternative when one wants to study values, opinions, attitudes and beliefs, through qualitative ones. In the present research, the pre-analysis phase consisted of an organization of the material collected during the research with Remar and Mãos Dadas Project, and a dynamic reading of this material, seeking to identify the characteristics of social entrepreneurship and values addressed in the study. In the analytical description phase, a more in-depth analysis of the material collected in the research will be carried out. The third phase, referred to as referential interpretation or treatment of results obtained will allow to verify the homogeneity and the heterogeneity among the participants' perceptions of the projects. Some preliminary results coming from the first interviews revealed the projects are guided by values such as cooperation, respect, well-being and nature preservation. These values are linked to the social entrepreneurship perception of the projects managers, who established their activities in behalf of the local community. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=personal%20values" title="personal values">personal values</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20entrepreneurship" title=" social entrepreneurship"> social entrepreneurship</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20projects" title=" social projects"> social projects</a>, <a href="https://publications.waset.org/abstracts/search?q=sports%20participants" title=" sports participants"> sports participants</a> </p> <a href="https://publications.waset.org/abstracts/67394/interface-between-personal-values-and-social-entrepreneurship-in-social-projects-that-develop-sports-practice" class="btn btn-primary btn-sm">Procedia</a> <a 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