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2025
Doumanas D, Soularidis A, Spiliotopoulos D, Vassilakis C, Kotis K.  2025.  Fine-Tuning Large Language Models for Ontology Engineering: A Comparative Analysis of GPT-4 and Mistral. Applied Sciences. 15:2146.
Margaris D, Vassilakis C, Spiliotopoulos D.  2025.  From Rating Predictions to Reliable Recommendations in Collaborative Filtering: The Concept of Recommendation Reliability Classes. Big Data and Cognitive Computing. 9:106.
2020
Aivazoglou M, Roussos A, Margaris D, Vassilakis C, Ioannidis S, Polakis J, Spiliotopoulos D.  2020.  A Fine-grained Social Network Recommender System. Social Network Analysis and Mining. 10(8)
Spiliotopoulos D, Kriemadis A, Vassilakis C.  2020.  From Smart Cities to Smart Rural Country: challenges and sustainability. Extended abstract Presentation in the 15th National and International Conderence of the Hellenic Society for Systemic Studies.
2018
Kaffes V, Belesiotis A, Skoutas D, Skiadopoulos S.  2018.  Finding shortest keyword covering routes in road networks. Proceedings of the 30th International Conference on Scientific and Statistical Database Management, SSDBM 2018, Bozen-Bolzano, Italy, July 09-11, 2018. :12:1–12:12.
Chatzigeorgakidis G, Karagiorgou S, Athanasiou S, Skiadopoulos S.  2018.  FML-kNN: scalable machine learning on Big Data using \emphk-nearest neighbor joins. J. Big Data. 5:4.
2017
Bourlakos I, Wallace M, Antoniou A, Vassilakis C, Lepouras G, Karapanagiotou AVassiliki.  2017.  Formalization and visualization of the narrative for museum guides. Proceedings of the third International KEYSTONE Conference (IKC2017).
2016
Zervakis L, Tryfonopoulos C, Skiadopoulos S, Koubarakis M.  2016.  Full-Text Support for Publish/Subscribe Ontology Systems. The Semantic Web. Latest Advances and New Domains - 13th International Conference, ESWC 2016, Heraklion, Crete, Greece, May 29 - June 2, 2016, Proceedings. :233–249.
2013
Zervakis L, Tryfonopoulos C, Papadakis-Pesaresi A, Koubarakis M, Skiadopoulos S.  2013.  Full-text Support for Publish/Subscribe Ontology Systems. CoRR. abs/1307.2015
2012
Zervakis L, Tryfonopoulos C, Papadakis-Pesaresi A, Koubarakis M, Skiadopoulos S.  2012.  Full-text Support for Publish/Subscribe Ontology Systems. Proceedings of the Extended Semantic Web Conference (ESWC).
2010
Dix A, Lepouras G, Katifori A, Vassilakis C, Catarci T, Poggi A, Ioannidis Y, Morae M, Daradimos I., Md.Akima N et al..  2010.  From the web of data to a world of action. Journal of Web Semantics. 8 issue 4:394-408.
2009
Vassilakis C, Kareliotis C.  2009.  A framework for adaptation in secure web services. Proceedings of MCIS 2009.
2007
Skiadopoulos S, Sarkas N, Sellis TK, Koubarakis M.  2007.  A Family of Directional Relation Models for Extended Objects. IEEE Trans. Knowl. Data Eng.. 19:1116–1130.
2005
Raftopoulou P, Koubarakis M, Stergiou K, Triantafillou P.  2005.  Fair Resource Allocation in a Simple Multi-Agent Setting: Search Algorithms and Experimental Evaluation. International Journal on Artificial Intelligence Tools (IJAIT). 14:887–899.
Souillard M, Souveyet C., Vassilakis C, Sotiropoulou A.  2005.  A flexible framework for managing temporal clinical trial data. International Journal of Electronic Healthcare. 1:453-463.
2003
Lepouras G, Katifori A, Vassilakis C, Charissi A.  2003.  Facilitating VR Museums Web Presence. Proceedings of HCI 2003. :1143–1147.
Vassilakis C, Laskaridis G., Lepouras G, Rouvas S., Georgiadis P..  2003.  A framework for managing the lifecycle of transactional e-government services. Telematics and Informatics. 20:315-329.
2000
Kovacs L., Vassilakis C.  2000.  Function oriented history representation in databases. Computers and Artificial Intelligence. 19:417-444.