Publications

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Journal Article
Bouras V, Spiliotopoulos D, Margaris D, Vassilakis C, Kotis K, Antoniou A, Lepouras G, Wallace M, Poulopoulos V.  2023.  Chatbots for Cultural Venues: A Topic-Based Approach. Algorithms. 16:339.
Antoniou A, Morillo SReboreda, Lepouras G, Diakoumakos J, Vassilakis C, Nores MLopez, Jones CEmma.  2019.  Bringing a peripheral, traditional venue to the digital era with targeted narratives. Digital Applications in Archaeology and Cultural Heritage. 14:e00111.
Vassilakis C.  2019.  Blockchain technologies for leveraging security and privacy. Homo Virtualis. 2:7–14.
Brotsis S, Grammatikakis KP, Kavallieros D, Mazilu AI, Kolokotronis N, Limniotis K, Vassilakis C.  2023.  Blockchain meets Internet of Things (IoT) forensics: A unified framework for IoT ecosystems. Internet of Things. :100968.
Vassilakis C, Lepouras G, Fraser J, Haston S.  2005.  Barriers To Electronic Service Development. e-Service Journal. Fall 2005:41-63.
Margaris D, Spiliotopoulos D, Vassilakis C.  2021.  Augmenting Black Sheep Neighbour Importance for Enhancing Rating Prediction Accuracy in Collaborative Filtering. Applied Sciences. 11:8369.
Papadogiannis I, Wallace M, Poulopoulos V, Vassilakis C, Lepouras G, Platis N.  2023.  An Assessment of the Effectiveness of the Remedial Teaching Education Policy. Knowledge. 3:349–363.
Margaris D, Spiliotopoulos D, Karagiorgos G, Vassilakis C.  2020.  An Algorithm for Density Enrichment of Sparse Collaborative Filtering Datasets Using Robust Predictions as Derived Ratings. Algorithms. 13:174.
Margaris D, Kobusinska A, Spiliotopoulos D, Vassilakis C.  2020.  An Adaptive Social Network-Aware Collaborative Filtering Algorithm for Improved Rating Prediction Accuracy. IEEE Access. 8:68301–68310.
Lepouras G, Vassilakis C, Sotiropoulou A, Theotokis D, Katifori A.  2008.  An active blackboard for service discovery, composition and execution. International Journal of Electronic Governance. 1:275-295.
Conference Paper
Daradimos I., Katifori A, Vassilakis C.  2008.  WhereRU: GPS position reporting and a personal ontology as a virtual community utility. Proceedings of the 2nd International Conference on Research Challenges in Information Science, RCIS 2008. :141-146.
Vassilakis C, Lepouras G, Katifori A.  2007.  Web service execution streamlining. Proceedings - ICSSSM'06: 2006 International Conference on Service Systems and Service Management. 2:1564-1569.
Golemati M., Vassilakis C, Katifori A, Lepouras G, Halatsis C..  2009.  Visualizing Hierarchies: Evaluating the Efficiency and Cognitive Effects of Six Visualization Techniques for Browsing and Management Tasks. Information Visualization 2009, book of abstracts.
Katifori A, Vassilakis C, Lepouras G, Daradimos I., Halatsis C..  2006.  Visualizing a temporally-enhanced ontology. AVI '06: Proceedings of the working conference on Advanced visual interfaces. :488–491.
Katifori A, Vassilakis C, Lepouras G, Halatsis C..  2014.  Visualization method effectiveness in ontology-based information retrieval tasks involving entity evolution. Proceedings of SMAP 2014.
Katifori A, Vassilakis C, Dix A.  2008.  Using Spreading Activation through Ontologies to Support Personal Information Management. Proceedings of CSKGOI, within IUI 2008.
Bampatzia S, Antoniou A, Lepouras G, Vassilakis C, Wallace M.  2016.  Using Social media to stimulate history reflection in cultural heritage. Proceedings of Semantic and Social Media Adaptation and Personalization (SMAP) 2016.
Spiliopoulou M., Hatzopoulos M., Vassilakis C.  1992.  Using Parallelism and Pipeline for the Optimisation of Join Queries. PARLE '92: Proceedings of the 4th International PARLE Conference on Parallel Architectures and Languages Europe. :279–294.
Antoniou A, Lykourentzou I, Rompa J., Tobias E., Lepouras G, Vassilakis C, Naudet Y..  2013.  User Profiling: Towards a Facebook Game that Reveals Cognitive Style. Proceedings of the GALA 2013 conference. :349–353.
Sgardelis K, Margaris D, Spiliotopoulos D, Vassilakis C.  2023.  A User Interface for Tuning QoS parameters in Recommendation-Based Business Process Scenario Adaptation. Proceedings of the 19th International Conference on Web Information Systems and Technologies (WEBIST 2023).
Margaris D, Spiliotopoulos D, Vassilakis C, Karagiorgos G.  2020.  A User Interface for Personalized Web Service Selection in Business Processes. Lecture Notes in Computer Science.
Bampatzia S, Bravo-Quezada OGustavo, Antoniou A, Nores MLopez, Wallace M, Lepouras G, Vassilakis C.  2016.  The use of semantics in the CrossCult H2020 project. Proceedings of the second International KEYSTONE Conference, (IKC2016). :190–195.
Mathas C-M, Vassilakis C, Kolokotronis N.  2020.  A Trust Management System for the IoT domain. Proceedings the 2020 IEEE World Congress on Services (SERVICES).
Vassilakis C, Poulopoulos V, Wallace M, Antoniou A, Lepouras G.  2019.  TripMentor Project: scope and challenges. Proceedings of the Workshop on Cultural Informatics, co-located with the 14th International Workshop On Semantic And Social Media Adaptation And Personalization (SMAP 2019).
Vassilakis C, Poulopoulos V, Wallace M, Antoniou A, Lepouras G.  2019.  TripMentor: Challenges and prospects for culture and tourism in the Attica region (Greek title: “TripMentor: προκλήσεις και προοπτικές για τον πολιτισμό και τον τουρισμό στην περιφέρεια Αττικής“). Proceedings of the 3nd Pan-Hellenic Conference on Digital Cultural Heritage-EuroMed 2019.