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Ioanna Lykourentzou
Department of Information and Computing Sciences, Utrecht University, 3584 CC Utrecht, The Netherlands

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Journal article
Published: 20 April 2020 in Big Data and Cognitive Computing
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This paper presents SemMR, a semantic framework for modelling interactions between human and non-human entities and managing reusable and optimized cultural experiences, towards a shared cultural experience ecosystem that might seamlessly accommodate mixed reality experiences. The SemMR framework synthesizes and integrates interaction data into semantically rich reusable structures and facilitates the interaction between different types of entities in a symbiotic way, within a large, virtual, and fully experiential open world, promoting experience sharing at the user level, as well as data/application interoperability and low-effort implementation at the software engineering level. The proposed semantic framework introduces methods for low-effort implementation and the deployment of open and reusable cultural content, applications, and tools, around the concept of cultural experience as a semantic trajectory or simply, experience as a trajectory (eX-trajectory). The methods facilitate the collection and analysis of data regarding the behaviour of users and their interaction with other users and the environment, towards optimizing eX-trajectories via reconfiguration. The SemMR framework supports the synthesis, enhancement, and recommendation of highly complex reconfigurable eX-trajectories, while using semantically integrated disparate and heterogeneous related data. Overall, this work aims to semantically manage interactions and experiences through the eX-trajectory concept, towards delivering enriched cultural experiences.

ACS Style

Costas Vassilakis; Konstantinos Kotis; Dimitris Spiliotopoulos; Dionisis Margaris; Vlasios Kasapakis; Christos-Nikolaos Anagnostopoulos; Georgios Santipantakis; George A. Vouros; Theodore Kotsilieris; Volha Petukhova; Andrei Malchanau; Ioanna Lykourentzou; Kaj Michael Helin; Artem Revenko; Nenad Gligoric; Boris Pokric. A Semantic Mixed Reality Framework for Shared Cultural Experiences Ecosystems. Big Data and Cognitive Computing 2020, 4, 6 .

AMA Style

Costas Vassilakis, Konstantinos Kotis, Dimitris Spiliotopoulos, Dionisis Margaris, Vlasios Kasapakis, Christos-Nikolaos Anagnostopoulos, Georgios Santipantakis, George A. Vouros, Theodore Kotsilieris, Volha Petukhova, Andrei Malchanau, Ioanna Lykourentzou, Kaj Michael Helin, Artem Revenko, Nenad Gligoric, Boris Pokric. A Semantic Mixed Reality Framework for Shared Cultural Experiences Ecosystems. Big Data and Cognitive Computing. 2020; 4 (2):6.

Chicago/Turabian Style

Costas Vassilakis; Konstantinos Kotis; Dimitris Spiliotopoulos; Dionisis Margaris; Vlasios Kasapakis; Christos-Nikolaos Anagnostopoulos; Georgios Santipantakis; George A. Vouros; Theodore Kotsilieris; Volha Petukhova; Andrei Malchanau; Ioanna Lykourentzou; Kaj Michael Helin; Artem Revenko; Nenad Gligoric; Boris Pokric. 2020. "A Semantic Mixed Reality Framework for Shared Cultural Experiences Ecosystems." Big Data and Cognitive Computing 4, no. 2: 6.

Journal article
Published: 20 March 2020 in Sustainability
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Intangible Cultural Heritage is at a continuous risk of extinction. Where historical artefacts engine the machinery of intercontinental mass-tourism, socio-technical changes are reshaping the anthropomorphic landscapes everywhere on the globe, at an unprecedented rate. There is an increasing urge to tap into the hidden semantics and the anecdotes surrounding people, memories and places. The vast cultural knowledge made of testimony, oral history and traditions constitutes a rich cultural ontology tying together human beings, times, and situations. Altogether, these complex, multidimensional features make the task of data-mapping of intangible cultural heritage a problem of sustainability and preservation. This paper addresses a suggested route for conceiving, designing and appraising a digital framework intended to support the conservation of the intangible experience, from a user and a collective-centred perspective. The framework is designed to help capture the intangible cultural value of all places exhibiting cultural-historical significance, supported by an extensive analysis of the literature. We present a set of design recommendations for designing mobile apps that are intended to converge crowdsourcing to Intangible Cultural Heritage.

ACS Style

Bas Hannewijk; Federica Lucia Vinella; Vassilis-Javed Khan; Ioanna Lykourentzou; Konstantinos Papangelis; Judith Masthoff. Capturing the City’s Heritage On-the-Go: Design Requirements for Mobile Crowdsourced Cultural Heritage. Sustainability 2020, 12, 2429 .

AMA Style

Bas Hannewijk, Federica Lucia Vinella, Vassilis-Javed Khan, Ioanna Lykourentzou, Konstantinos Papangelis, Judith Masthoff. Capturing the City’s Heritage On-the-Go: Design Requirements for Mobile Crowdsourced Cultural Heritage. Sustainability. 2020; 12 (6):2429.

Chicago/Turabian Style

Bas Hannewijk; Federica Lucia Vinella; Vassilis-Javed Khan; Ioanna Lykourentzou; Konstantinos Papangelis; Judith Masthoff. 2020. "Capturing the City’s Heritage On-the-Go: Design Requirements for Mobile Crowdsourced Cultural Heritage." Sustainability 12, no. 6: 2429.

Journal article
Published: 23 February 2020 in Sustainability
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Sustainability in Cultural Heritage (CH) is a complex question that needs to be addressed by a group of experts tackling the different issues. In this light, the present work wishes to provide a multi-level analysis of the sustainability in CH, using as an example a recent European H2020 project (CrossCult) and the lessons learnt from its design, implementation and evaluation. The sustainability of CH has qualitatively changed over the last few years, under the developments in digital technology that seems to affect the very nature of the cultural experience. We discuss sustainability in venues using digital technologies, covering a span of needs of small/unknown and large/popular venues, which try to enhance the visitor experience, attract visitors, form venue networks, etc. Moreover, we explore issues of sustainability of digital content and its re usability through holistic design. Aspects of technology, human networks and data sustainability are also presented, and we conclude with the arguments concerning the sustainability of visitor reflection, the interpretation of social and historical phenomena and the creation of meaning.

ACS Style

Kalliopi Kontiza; Angeliki Antoniou; Abdullah Daif; Susana Reboreda-Morillo; Maddalena Bassani; Silvia González-Soutelo; Ioanna Lykourentzou; Catherine Emma Jones; Joseph Padfield; Martín López-Nores. On How Technology-Powered Storytelling Can Contribute to Cultural Heritage Sustainability across Multiple Venues—Evidence from the CrossCult H2020 Project. Sustainability 2020, 12, 1666 .

AMA Style

Kalliopi Kontiza, Angeliki Antoniou, Abdullah Daif, Susana Reboreda-Morillo, Maddalena Bassani, Silvia González-Soutelo, Ioanna Lykourentzou, Catherine Emma Jones, Joseph Padfield, Martín López-Nores. On How Technology-Powered Storytelling Can Contribute to Cultural Heritage Sustainability across Multiple Venues—Evidence from the CrossCult H2020 Project. Sustainability. 2020; 12 (4):1666.

Chicago/Turabian Style

Kalliopi Kontiza; Angeliki Antoniou; Abdullah Daif; Susana Reboreda-Morillo; Maddalena Bassani; Silvia González-Soutelo; Ioanna Lykourentzou; Catherine Emma Jones; Joseph Padfield; Martín López-Nores. 2020. "On How Technology-Powered Storytelling Can Contribute to Cultural Heritage Sustainability across Multiple Venues—Evidence from the CrossCult H2020 Project." Sustainability 12, no. 4: 1666.

Conference paper
Published: 23 January 2020 in Collaboration in a Hyperconnected World
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Online crowds have the potential to do more complex work in teams, rather than as individuals. Team formation algorithms typically maximize some notion of global utility of team output by allocating people to teams or tasks. However, decisions made by these algorithms do not consider the decisions or preferences of the people themselves. This paper explores a complementary strategy, which relies on the crowd itself to self-organize into effective teams. Our preliminary results show that users perceive the ability to choose their teammate extremely useful in a crowdsourcing setting. We also find that self-organisation makes users feel more productive, creative and responsible for their work product.

ACS Style

Ioanna Lykourentzou; Antonios Liapis; Costas Papastathis; Konstantinos Papangelis; Costas Vassilakis. Exploring Self-organisation in Crowd Teams. Collaboration in a Hyperconnected World 2020, 164 -175.

AMA Style

Ioanna Lykourentzou, Antonios Liapis, Costas Papastathis, Konstantinos Papangelis, Costas Vassilakis. Exploring Self-organisation in Crowd Teams. Collaboration in a Hyperconnected World. 2020; ():164-175.

Chicago/Turabian Style

Ioanna Lykourentzou; Antonios Liapis; Costas Papastathis; Konstantinos Papangelis; Costas Vassilakis. 2020. "Exploring Self-organisation in Crowd Teams." Collaboration in a Hyperconnected World , no. : 164-175.

Journal article
Published: 12 March 2019 in Symmetry
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Recent advances in semantic web and deep learning technologies enable new means for the computational analysis of vast amounts of information from the field of digital humanities. We discuss how some of the techniques can be used to identify historical and cultural symmetries between different characters, locations, events or venues, and how these can be harnessed to develop new strategies to promote intercultural and cross-border aspects that support the teaching and learning of history and heritage. The strategies have been put to the test in the context of the European project CrossCult, revealing enormous potential to encourage curiosity to discover new information and increase retention of learned information.

ACS Style

Martín López-Nores; Omar Gustavo Bravo-Quezada; Maddalena Bassani; Angeliki Antoniou; Ioanna Lykourentzou; Catherine Emma Jones; Kalliopi Kontiza; Silvia González-Soutelo; Susana Reboreda-Morillo; Yannick Naudet; Andreas Vlachidis; Antonis Bikakis; José Juan Pazos-Arias. Technology-Powered Strategies to Rethink the Pedagogy of History and Cultural Heritage through Symmetries and Narratives. Symmetry 2019, 11, 367 .

AMA Style

Martín López-Nores, Omar Gustavo Bravo-Quezada, Maddalena Bassani, Angeliki Antoniou, Ioanna Lykourentzou, Catherine Emma Jones, Kalliopi Kontiza, Silvia González-Soutelo, Susana Reboreda-Morillo, Yannick Naudet, Andreas Vlachidis, Antonis Bikakis, José Juan Pazos-Arias. Technology-Powered Strategies to Rethink the Pedagogy of History and Cultural Heritage through Symmetries and Narratives. Symmetry. 2019; 11 (3):367.

Chicago/Turabian Style

Martín López-Nores; Omar Gustavo Bravo-Quezada; Maddalena Bassani; Angeliki Antoniou; Ioanna Lykourentzou; Catherine Emma Jones; Kalliopi Kontiza; Silvia González-Soutelo; Susana Reboreda-Morillo; Yannick Naudet; Andreas Vlachidis; Antonis Bikakis; José Juan Pazos-Arias. 2019. "Technology-Powered Strategies to Rethink the Pedagogy of History and Cultural Heritage through Symmetries and Narratives." Symmetry 11, no. 3: 367.

Conference paper
Published: 08 February 2019 in Communications in Computer and Information Science
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One of the most difficult problems faced by consumers of semi-structured and structured data on the Web is how to discover or create the data they need. On the other hand, the producers of Web data do not have any (semi)automated way to align their data production with consumer needs. In this paper we formalize the problem of a data marketplace, hypothesize that one can quantify the value of semi-structured and structured data given a set of consumers, and that this quantification can be applied on both existing data-sets and data-sets that need to be created. Furthermore, we provide an algorithm for showing how the production of this data can be crowd-sourced while assuring the consumer a certain level of quality. Using real-world empirical data collected via data producers and consumers, we simulate a crowd-sourced data marketplace with quality guarantees.

ACS Style

Harry Halpin; Ioanna Lykourentzou. Crowdsourcing High-Quality Structured Data. Communications in Computer and Information Science 2019, 304 -319.

AMA Style

Harry Halpin, Ioanna Lykourentzou. Crowdsourcing High-Quality Structured Data. Communications in Computer and Information Science. 2019; ():304-319.

Chicago/Turabian Style

Harry Halpin; Ioanna Lykourentzou. 2019. "Crowdsourcing High-Quality Structured Data." Communications in Computer and Information Science , no. : 304-319.

Journal article
Published: 07 November 2018 in Future Internet
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This paper addresses the problem of museum visitors’ Quality of Experience (QoE) optimization by viewing and treating the museum environment as a cyber-physical social system. To achieve this goal, we harness visitors’ internal ability to intelligently sense their environment and make choices that improve their QoE in terms of which the museum touring option is the best for them and how much time to spend on their visit. We model the museum setting as a distributed non-cooperative game where visitors selfishly maximize their own QoE. In this setting, we formulate the problem of Recommendation Selection and Visiting Time Management (RSVTM) and propose a two-stage distributed algorithm based on game theory and reinforcement learning, which learns from visitor behavior to make on-the-fly recommendation selections that maximize visitor QoE. The proposed framework enables autonomic visitor-centric management in a personalized manner and enables visitors themselves to decide on the best visiting strategies. Experimental results evaluating the performance of the proposed RSVTM algorithm under realistic simulation conditions indicate the high operational effectiveness and superior performance when compared to other recommendation approaches. Our results constitute a practical alternative for museums and exhibition spaces meant to enhance visitor QoE in a flexible, efficient, and cost-effective manner.

ACS Style

Eirini Eleni Tsiropoulou; George Kousis; Athina Thanou; Ioanna Lykourentzou; Symeon Papavassiliou. Quality of Experience in Cyber-Physical Social Systems Based on Reinforcement Learning and Game Theory. Future Internet 2018, 10, 108 .

AMA Style

Eirini Eleni Tsiropoulou, George Kousis, Athina Thanou, Ioanna Lykourentzou, Symeon Papavassiliou. Quality of Experience in Cyber-Physical Social Systems Based on Reinforcement Learning and Game Theory. Future Internet. 2018; 10 (11):108.

Chicago/Turabian Style

Eirini Eleni Tsiropoulou; George Kousis; Athina Thanou; Ioanna Lykourentzou; Symeon Papavassiliou. 2018. "Quality of Experience in Cyber-Physical Social Systems Based on Reinforcement Learning and Game Theory." Future Internet 10, no. 11: 108.