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</div> <div class="control"> <button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2411.13583">arXiv:2411.13583</a> <span> [<a href="https://arxiv.org/pdf/2411.13583">pdf</a>, <a href="https://arxiv.org/format/2411.13583">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Cryptography and Security">cs.CR</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Artificial Intelligence">cs.AI</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Distributed, Parallel, and Cluster Computing">cs.DC</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Networking and Internet Architecture">cs.NI</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1109/MITP.2024.3421968">10.1109/MITP.2024.3421968 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Enhanced FIWARE-Based Architecture for Cyberphysical Systems With Tiny Machine Learning and Machine Learning Operations: A Case Study on Urban Mobility Systems </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/cs?searchtype=author&query=Conde%2C+J">Javier Conde</a>, <a href="/search/cs?searchtype=author&query=Munoz-Arcentales%2C+A">Andr茅s Munoz-Arcentales</a>, <a href="/search/cs?searchtype=author&query=Alonso%2C+%C3%81">脕lvaro Alonso</a>, <a href="/search/cs?searchtype=author&query=Salvach%C3%BAa%2C+J">Joaqu铆n Salvach煤a</a>, <a href="/search/cs?searchtype=author&query=Huecas%2C+G">Gabriel Huecas</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2411.13583v1-abstract-short" style="display: inline;"> The rise of AI and the Internet of Things is accelerating the digital transformation of society. Mobility computing presents specific barriers due to its real-time requirements, decentralization, and connectivity through wireless networks. New research on edge computing and tiny machine learning (tinyML) explores the execution of AI models on low-performance devices to address these issues. Howeve… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2411.13583v1-abstract-full').style.display = 'inline'; document.getElementById('2411.13583v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2411.13583v1-abstract-full" style="display: none;"> The rise of AI and the Internet of Things is accelerating the digital transformation of society. Mobility computing presents specific barriers due to its real-time requirements, decentralization, and connectivity through wireless networks. New research on edge computing and tiny machine learning (tinyML) explores the execution of AI models on low-performance devices to address these issues. However, there are not many studies proposing agnostic architectures that manage the entire lifecycle of intelligent cyberphysical systems. This article extends a previous architecture based on FIWARE software components to implement the machine learning operations flow, enabling the management of the entire tinyML lifecycle in cyberphysical systems. We also provide a use case to showcase how to implement the FIWARE architecture through a complete example of a smart traffic system. We conclude that the FIWARE ecosystem constitutes a real reference option for developing tinyML and edge computing in cyberphysical systems. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2411.13583v1-abstract-full').style.display = 'none'; document.getElementById('2411.13583v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 November, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> IT Professional ( Volume: 26, Issue: 5, Sept.-Oct. 2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2409.08284">arXiv:2409.08284</a> <span> [<a href="https://arxiv.org/pdf/2409.08284">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Computers and Society">cs.CY</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Databases">cs.DB</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1109/MIC.2023.3333199">10.1109/MIC.2023.3333199 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Empowering Database Learning Through Remote Educational Escape Rooms </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/cs?searchtype=author&query=Barra%2C+E">Enrique Barra</a>, <a href="/search/cs?searchtype=author&query=L%C3%B3pez-Pernas%2C+S">Sonsoles L贸pez-Pernas</a>, <a href="/search/cs?searchtype=author&query=Gordillo%2C+A">Aldo Gordillo</a>, <a href="/search/cs?searchtype=author&query=Pozo%2C+A">Alejandro Pozo</a>, <a href="/search/cs?searchtype=author&query=Mu%C3%B1oz-Arcentales%2C+A">Andres Mu帽oz-Arcentales</a>, <a href="/search/cs?searchtype=author&query=Conde%2C+J">Javier Conde</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2409.08284v1-abstract-short" style="display: inline;"> Learning about databases is indispensable for individuals studying software engineering or computer science or those involved in the IT industry. We analyzed a remote educational escape room for teaching about databases in four different higher education courses in two consecutive academic years. We employed three instruments for evaluation: a pre- and post-test to assess the escape room's effecti… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2409.08284v1-abstract-full').style.display = 'inline'; document.getElementById('2409.08284v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2409.08284v1-abstract-full" style="display: none;"> Learning about databases is indispensable for individuals studying software engineering or computer science or those involved in the IT industry. We analyzed a remote educational escape room for teaching about databases in four different higher education courses in two consecutive academic years. We employed three instruments for evaluation: a pre- and post-test to assess the escape room's effectiveness for student learning, a questionnaire to gather students' perceptions, and a Web platform that unobtrusively records students' interactions and performance. We show novel evidence that educational escape rooms conducted remotely can be engaging as well as effective for teaching about databases. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2409.08284v1-abstract-full').style.display = 'none'; document.getElementById('2409.08284v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 August, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> IEEE Internet Computing Jan.-Feb. 2024, pp. 18-25, vol. 28 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2408.14315">arXiv:2408.14315</a> <span> [<a href="https://arxiv.org/pdf/2408.14315">pdf</a>, <a href="https://arxiv.org/format/2408.14315">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Computers and Society">cs.CY</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Emerging Technologies">cs.ET</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1109/MC.2022.3206144">10.1109/MC.2022.3206144 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Overcoming the Barriers of Using Linked Open Data in Smart City Applications </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/cs?searchtype=author&query=Conde%2C+J">Javier Conde</a>, <a href="/search/cs?searchtype=author&query=Munoz-Arcentales%2C+A">Andres Munoz-Arcentales</a>, <a href="/search/cs?searchtype=author&query=Choque%2C+J">Johnny Choque</a>, <a href="/search/cs?searchtype=author&query=Huecas%2C+G">Gabriel Huecas</a>, <a href="/search/cs?searchtype=author&query=Alonso%2C+%C3%81">脕lvaro Alonso</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2408.14315v1-abstract-short" style="display: inline;"> We study the benefits and challenges of using Linked Open Data in smart city applications and propose a set of open source, highly scalable tools within the case of a public-rental bicycle system, which can act as a reference guide for other smart city applications. </span> <span class="abstract-full has-text-grey-dark mathjax" id="2408.14315v1-abstract-full" style="display: none;"> We study the benefits and challenges of using Linked Open Data in smart city applications and propose a set of open source, highly scalable tools within the case of a public-rental bicycle system, which can act as a reference guide for other smart city applications. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2408.14315v1-abstract-full').style.display = 'none'; document.getElementById('2408.14315v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 August, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Computer ( Volume: 55, Issue: 12, December 2022) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2402.06693">arXiv:2402.06693</a> <span> [<a href="https://arxiv.org/pdf/2402.06693">pdf</a>, <a href="https://arxiv.org/format/2402.06693">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Databases">cs.DB</span> </div> </div> <p class="title is-5 mathjax"> Fostering the integration of European Open Data into Data Spaces through High-Quality Metadata </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/cs?searchtype=author&query=Conde%2C+J">Javier Conde</a>, <a href="/search/cs?searchtype=author&query=Pozo%2C+A">Alejandro Pozo</a>, <a href="/search/cs?searchtype=author&query=Munoz-Arcentales%2C+A">Andr茅s Munoz-Arcentales</a>, <a href="/search/cs?searchtype=author&query=Choque%2C+J">Johnny Choque</a>, <a href="/search/cs?searchtype=author&query=Alonso%2C+%C3%81">脕lvaro Alonso</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2402.06693v1-abstract-short" style="display: inline;"> The term Data Space, understood as the secure exchange of data in distributed systems, ensuring openness, transparency, decentralization, sovereignty, and interoperability of information, has gained importance during the last years. However, Data Spaces are in an initial phase of definition, and new research is necessary to address their requirements. The Open Data ecosystem can be understood as o… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2402.06693v1-abstract-full').style.display = 'inline'; document.getElementById('2402.06693v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2402.06693v1-abstract-full" style="display: none;"> The term Data Space, understood as the secure exchange of data in distributed systems, ensuring openness, transparency, decentralization, sovereignty, and interoperability of information, has gained importance during the last years. However, Data Spaces are in an initial phase of definition, and new research is necessary to address their requirements. The Open Data ecosystem can be understood as one of the precursors of Data Spaces as it provides mechanisms to ensure the interoperability of information through resource discovery, information exchange, and aggregation via metadata. However, Data Spaces require more advanced capabilities including the automatic and scalable generation and publication of high-quality metadata. In this work, we present a set of software tools that facilitate the automatic generation and publication of metadata, the modeling of datasets through standards, and the assessment of the quality of the generated metadata. We validate all these tools through the YODA Open Data Portal showing how they can be connected to integrate Open Data into Data Spaces. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2402.06693v1-abstract-full').style.display = 'none'; document.getElementById('2402.06693v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 8 February, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2024. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2402.02252">arXiv:2402.02252</a> <span> [<a href="https://arxiv.org/pdf/2402.02252">pdf</a>, <a href="https://arxiv.org/format/2402.02252">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Networking and Internet Architecture">cs.NI</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Software Engineering">cs.SE</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1109/MITP.2022.3224826">10.1109/MITP.2022.3224826 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Collaboration of Digital Twins through Linked Open Data: Architecture with FIWARE as Enabling Technology </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/cs?searchtype=author&query=Conde%2C+J">Javier Conde</a>, <a href="/search/cs?searchtype=author&query=Munoz-Arcentales%2C+A">Andres Munoz-Arcentales</a>, <a href="/search/cs?searchtype=author&query=Alonso%2C+%C3%81">脕lvaro Alonso</a>, <a href="/search/cs?searchtype=author&query=Huecas%2C+G">Gabriel Huecas</a>, <a href="/search/cs?searchtype=author&query=Salvach%C3%BAa%2C+J">Joaqu铆n Salvach煤a</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2402.02252v1-abstract-short" style="display: inline;"> The collaboration of the real world and the virtual world, known as Digital Twin, has become a trend with numerous successful use cases. However, there are challenges mentioned in the literature that must be addressed. One of the most important issues is the difficulty of collaboration of Digital Twins due to the lack of standardization in their implementation. This article continues a previous wo… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2402.02252v1-abstract-full').style.display = 'inline'; document.getElementById('2402.02252v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2402.02252v1-abstract-full" style="display: none;"> The collaboration of the real world and the virtual world, known as Digital Twin, has become a trend with numerous successful use cases. However, there are challenges mentioned in the literature that must be addressed. One of the most important issues is the difficulty of collaboration of Digital Twins due to the lack of standardization in their implementation. This article continues a previous work that proposed a generic architecture based on the FIWARE components to build Digital Twins in any field. Our work proposes the use of Linked Open Data as a mechanism to facilitate the communication of Digital Twins. We validate our proposal with a use case of an urban Digital Twin that collaborates with a parking Digital Twin. We conclude that Linked Open Data in combination with the FIWARE ecosystem is a real reference option to deploy Digital Twins and to enable the collaboration between Digital Twins. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2402.02252v1-abstract-full').style.display = 'none'; document.getElementById('2402.02252v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 February, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2024. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2309.12358">arXiv:2309.12358</a> <span> [<a href="https://arxiv.org/pdf/2309.12358">pdf</a>, <a href="https://arxiv.org/format/2309.12358">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Computers and Society">cs.CY</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1109/MIC.2021.3056923">10.1109/MIC.2021.3056923 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Modeling Digital Twin Data and Architecture: A Building Guide with FIWARE as Enabling Technology </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/cs?searchtype=author&query=Conde%2C+J">Javier Conde</a>, <a href="/search/cs?searchtype=author&query=Munoz-Arcentales%2C+A">Andr茅s Munoz-Arcentales</a>, <a href="/search/cs?searchtype=author&query=Alonso%2C+%C3%81">脕lvaro Alonso</a>, <a href="/search/cs?searchtype=author&query=L%C3%B3pez-Pernas%2C+S">Sonsoles L贸pez-Pernas</a>, <a href="/search/cs?searchtype=author&query=Salvach%C3%BAa%2C+J">Joaqu铆n Salvach煤a</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2309.12358v1-abstract-short" style="display: inline;"> The use of Digital Twins in the industry has become a growing trend in recent years, allowing to improve the lifecycle of any process by taking advantage of the relationship between the physical and the virtual world. Existing literature formulates several challenges for building Digital Twins, as well as some proposals for overcoming them. However, in the vast majority of the cases, the architect… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2309.12358v1-abstract-full').style.display = 'inline'; document.getElementById('2309.12358v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2309.12358v1-abstract-full" style="display: none;"> The use of Digital Twins in the industry has become a growing trend in recent years, allowing to improve the lifecycle of any process by taking advantage of the relationship between the physical and the virtual world. Existing literature formulates several challenges for building Digital Twins, as well as some proposals for overcoming them. However, in the vast majority of the cases, the architectures and technologies presented are strongly bounded to the domain where the Digital Twins are applied. This article proposes the FIWARE Ecosystem, combining its catalog of components and its Smart Data Models, as a solution for the development of any Digital Twin. We also provide a use case to showcase how to use FIWARE for building Digital Twins through a complete example of a Parking Digital Twin. We conclude that the FIWARE Ecosystem constitutes a real reference option for developing DTs in any domain. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2309.12358v1-abstract-full').style.display = 'none'; document.getElementById('2309.12358v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 September, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">7 pages, 3 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> IEEE Internet Computing 26 3 (2021) 7-14 </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: 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