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Makrina Viola Kosti, Maurice Benayoun, Nefeli Georgakopoulou, Sotiris Diplaris, Theodora Pistola, Vasileios-Rafail Xefteris, Athina Tsanousa, Kalliopi Valsamidou, Panagiota Koulali, Yash Shekhawat, Piera Sciama, Ilias Kalisperakis, Stefanos Vrochidis and Ioannis Kompatsiaris
Demographic change confronts us with an ever-increasing number of elderly people who face isolation and socialization issues. Background: The main challenge of this study is to inject emotional and aesthetic aspects into the design process of a virtual r...
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Evangelos A. Stathopoulos, Anastasios I. Karageorgiadis, Alexandros Kokkalas, Sotiris Diplaris, Stefanos Vrochidis and Ioannis Kompatsiaris
This paper presents a benchmarking survey on query expansion techniques for social media information retrieval, with a focus on comparing the performance of methods using semantic web technologies. The study evaluated query expansion techniques such as g...
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Dimos Ntioudis, Panagiota Masa, Anastasios Karakostas, Georgios Meditskos, Stefanos Vrochidis and Ioannis Kompatsiaris
Participation in the labor market is seen as the most important factor favoring long-term integration of migrants and refugees into society. This paper describes the job recommendation framework of the Integration of Migrants MatchER SErvice (IMMERSE). T...
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Olga Papadopoulou , Themistoklis Makedas , Lazaros Apostolidis , Francesco Poldi , Symeon Papadopoulos and Ioannis Kompatsiaris
The proliferation of online news, especially during the ?infodemic? that emerged along with the COVID-19 pandemic, has rapidly increased the risk of and, more importantly, the volume of online misinformation. Online Social Networks (OSNs), such as Facebo...
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Ourania Theodosiadou, Kyriaki Pantelidou, Nikolaos Bastas, Despoina Chatzakou, Theodora Tsikrika, Stefanos Vrochidis and Ioannis Kompatsiaris
Given the increasing occurrence of deviant activities in online platforms, it is of paramount importance to develop methods and tools that allow in-depth analysis and understanding to then develop effective countermeasures. This work proposes a framework...
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Michail Feidakis, Christos Chatzigeorgiou, Christina Karamperi, Lazaros Giannakos, Vasileios-Rafail Xefteris, Dimos Ntioudis, Athina Tsanousa, Dimitrios G. Kogias, Charalampos Patrikakis, Georgios Meditskos, Georgios Gorgogetas, Stefanos Vrochidis and Ioannis Kompatsiaris
This paper presents ?DESMOS?, a novel ecosystem for the interconnection of smart infrastructures, mobile and wearable devices, and applications, to provide a secure environment for visitors and tourists. The presented solution brings together state-of-th...
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Christos Koutlis, Manos Schinas, Symeon Papadopoulos and Ioannis Kompatsiaris
Estimating and analyzing the popularity of an entity is an important task for professionals in several areas, e.g., music, social media, and cinema. Furthermore, the ample availability of online data should enhance our insights into the collective consum...
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Ioannis Paliokas, Athanasios T. Patenidis, Eirini E. Mitsopoulou, Christina Tsita, George Pehlivanides, Elli Karyati, Spyros Tsafaras, Evangelos A. Stathopoulos, Alexandros Kokkalas, Sotiris Diplaris, Georgios Meditskos, Stefanos Vrochidis, Eleana Tasiopoulou, Christodoulos Riggas, Konstantinos Votis, Ioannis Kompatsiaris and Dimitrios Tzovaras
An Augmented Reality application designed to allow on-the-spot museum visitors to navigate and view exhibitions using their own mobile devices by enjoying user experience multipliers like interactive content and mixed reality quiz games.
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Angelos Chatzimichail, Christos Chatzigeorgiou, Athina Tsanousa, Dimos Ntioudis, Georgios Meditskos, Fotis Andritsopoulos, Christina Karaberi, Panagiotis Kasnesis, Dimitrios G. Kogias, Georgios Gorgogetas, Stefanos Vrochidis, Charalampos Patrikakis and Ioannis Kompatsiaris
We present the technologies and the theoretical background of an intelligent interconnected infrastructure for public security and safety. The innovation of the framework lies in the intelligent combination of devices and human information towards human ...
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Thanassis Mavropoulos, Georgios Meditskos, Spyridon Symeonidis, Eleni Kamateri, Maria Rousi, Dimitris Tzimikas, Lefteris Papageorgiou, Christos Eleftheriadis, George Adamopoulos, Stefanos Vrochidis and Ioannis Kompatsiaris
Conversational agents are reshaping our communication environment and have the potential to inform and persuade in new and effective ways. In this paper, we present the underlying technologies and the theoretical background behind a health-care platform ...
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