Publications

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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.
Journal Article
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.
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.
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.
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, Vassilakis C.  2021.  Augmenting Black Sheep Neighbour Importance for Enhancing Rating Prediction Accuracy in Collaborative Filtering. Applied Sciences. 11:8369.
Vassilakis C, Lepouras G, Fraser J, Haston S.  2005.  Barriers To Electronic Service Development. e-Service Journal. Fall 2005:41-63.
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.  2019.  Blockchain technologies for leveraging security and privacy. Homo Virtualis. 2:7–14.
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.
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.
Vasiliadis D.C., Rizos G.E., Vassilakis C.  2012.  Class-Based Weighted Fair Queuing Scheduling on Dual-Priority Delta Networks. Journal of Network and Computer Applications. 2012:13pages.
Vasiliadis D.C., Rizos G.E., Vassilakis C.  2012.  Class-based weighted fair queuing scheduling on quad-priority Delta Networks. International Journal of Parallel, Emergent and Distributed Systems. 27:435–457.
Vassilakis C, Lepouras G.  2006.  Component reuse in electronic services development. J. Comp. Methods in Sci. and Eng.. 6:229–241.
Benou P, Vassilakis C.  2010.  The Conceptual Model of Context for Mobile Commerce Applications. Electronic Commerce Research, Springer-Verlag. 10(2):139-165.
Benou P, Vassilakis C.  2012.  A context management architecture for m-commerce applications. Central European Journal of Computer Science, Versita, co-published with Springer Verlag. 2:87–117.
Benou P, Vassilakis C, Vrechopoulos A.  2012.  Context Management for m-Commerce Applications: Determinants, Methodology and the Role of Marketing. Information Technology and Management, Springer-Verlag. 13(2):91–111.
Spiliopoulou M., Hatzopoulos M., Vassilakis C.  1996.  A cost model for the estimation of query execution time in a parallel environment supporting pipeline. Computers and Artificial Intelligence. 15:341-368.
Spiliotopoulos D, Margaris D, Vassilakis C.  2020.  Data-Assisted Persona Construction Using Social Media Data. Big Data and Cognitive Computing. 4:21.
Mathas C-M, Vassilakis C, Kolokotronis N, Zarakovitis CC, Kourtis M-A.  2021.  On the Design of IoT Security: Analysis of Software Vulnerabilities for Smart Grids. Energies. 14:2818.
Sotiropoulos P, Vassilakis C.  2020.  Detection of intermittent faults in software programs through identification of suspicious shared variable access patterns. Journal of Systems and Software. 159:110455.
Koryzis D, Margaris D, Vassilakis C, Kotis K, Spiliotopoulos D.  2023.  Disruptive Technologies for Parliaments: A Literature Review. Future Internet. 15:66.
Giannikopoulos P., Vassilakis C.  2012.  A distributed recommender system architecture. International Journal of Web Engineering and Technology. 7:203–227.
Lepouras G, Vassilakis C, Halatsis C., Georgiadis P..  2007.  Domain expert user development: The smartgov approach. Communications of the ACM. 50:79-83.
Katifori A, Vassilakis C, Lepouras G, Torou E.  2015.  Effectiveness of visualization for information retrieval through ontologies with entity evolution: the impact of ontology modeling. International Journal of Information Retrieval Research. 5:26.