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Journal Article
Margaris D, Vassilakis C, Georgiadis P..  2017.  Query personalization using social network information and collaborative filtering techniques. Future Generation of Computer Systems. Special Issue on Recommender Systems for Large-Scale Social Networks:440–450.
Papadogiannis I, Vassilakis C, Wallace M, Katsis A.  2024.  On the Quality and Validity of Course Evaluation Questionnaires Used in Tertiary Education in Greece. Trends in Higher Education. 3(2):221–234.
Margaris D, Vassilakis C, Spiliotopoulos D.  2022.  On Producing Accurate Rating Predictions in Sparse Collaborative Filtering Datasets. Information. 13:302.
Poulopoulos V, Vassilakis C, Antoniou A, Lepouras G, Theodoropoulos A, Wallace M.  2018.  The personality of the influencers, the characteristics of qualitative discussions and their analysis for recommendations to cultural institutions. Heritage. 1:239-253.
Vasiliadis D.C., Rizos G.E., Vassilakis C.  2013.  Performance Tuning of Dual-priority Delta Networks through Queuing Scheduling Disciplines. Journal of Communications Software and Systems. 9(4):222-235.
Vasiliadis D.C., Rizos G.E., Vassilakis C.  2010.  Performance Study of Multi-Layered Multistage Interconnection Networks under Hotspot Traffic Conditions. Journal of Computer Systems, Networks, and Communications. 2010:11pages.
Vasiliadis D.C., Rizos G.E., Vassilakis C.  2011.  Performance Analysis of Multi-Layered Multi-Priority Asymetric-Sized Delta Networks. Journal of Computer Systems, Networks, and Communications. to appear:12.
Vasiliadis D.C., Rizos G.E., Vassilakis C.  2011.  Performance Analysis of Dual-Priority Multilayer Multistage Interconnection Networks under Multicast Environment. Journal of Networks. June:858–871.
Spiliopoulou M., Hatzopoulos M., Vassilakis C.  1993.  Parallel Optimisation of Join Queries Using a Technique of Exhaustive Nature. Computers and Artificial Intelligence. 12:145–166.
Vassilakis C.  2000.  An optimisation scheme for coalesce/valid time selection operator sequences. SIGMOD Record (ACM Special Interest Group on Management of Data). 29:38-43.
Katifori A, Halatsis C., Lepouras G, Vassilakis C, Giannopoulou E.G..  2007.  Ontology visualization methods - A survey. ACM Computing Surveys. 39:10:1-10:43.
Katifori A, Vassilakis C, Dix A.  2010.  Ontologies and the brain: Using spreading activation through ontologies to support personal interaction. Cognitive Systems Research. Volume 11, Issue 1:25-41.
Spiliotopoulos D, Makri E, Vassilakis C, Margaris D.  2020.  Multimodal Interaction: Correlates of Learners' Metacognitive Skill Training Negotiation Experience. Information. 11:381.
Sakas DP, Reklitis DP, Terzi MC, Vassilakis C.  2022.  Multichannel Digital Marketing Optimizations through Big Data Analytics in the Tourism and Hospitality Industry. Journal of Theoretical and Applied Electronic Commerce Research. 17:1383–1408.
Vasiliadis D.C., Rizos G.E., Vassilakis C.  2013.  Modelling and performance study of finite-buffered blocking multistage interconnection networks supporting natively 2-class priority routing traffic. Journal of Network and Computer Applications. 36(2):723–737.
Vasiliadis D.C., Rizos G.E., Vassilakis C, Glavas E..  2011.  Modelling and performance evaluation of a novel internal priority routing scheme for finite-buffered multistage interconnection networks. International Journal of Parallel, Emergent and Distributed Systems. 26(5):381–397.
Vassilakis C, Lepouras G, Skiadopoulos S.  2008.  Mobile and context-aware e-commerce: Issues, challenges and research directions. Journal of Electronic Commerce in Organizations. 6:i-iv.
Antoniou A, Lepouras G, Vassilakis C.  2013.  A methodology for the design of online exhibitions. DESIDOC Journal of Library and Information Technology. 33:158–167.
Vassilakis C, Lepouras G, Halatsis C..  2007.  A knowledge-based approach for developing multi-channel e-government services. Electronic Commerce Research and Applications. 6:113-124.
Kareliotis C, Vassilakis C, Rouvas S., Georgiadis P..  2009.  IQoS-aware exception resolution for BPEL processes: A middleware-based framework and performance evaluation. International Journal of Web and Grid Services. 5:284-320.
Vassilakis C, Lepouras G, Rouvas S., Georgiadis P..  2004.  Integrating e-government public transactional services into public authority workflows. Electronic Government. 1:49-60.
Margaris D, Vassilakis C, Georgiadis P..  2015.  An integrated framework for adapting WS-BPEL scenario execution using QoS and collaborative filtering techniques. Science of Computer Programming. 98:707–734.
Vassilakis C, Katifori A, Daradimos I., Lepouras G.  2008.  An Integrated Environment for Cataloguing and Online Presentation of Museum Exhibits. DESIDOC Journal of Library and Information Technology. 28(4):72-78.
Vasiliadis D.C., Rizos G.E., Vassilakis C.  2010.  Improving performance of a wireless multimedia traffic-oriented network through prediction of routing. International Journal on Information Technologies & Security. 3:3-16.
Margaris D, Vassilakis C.  2020.  Improving collaborative filtering’s rating prediction coverage in sparse datasets by exploiting the “friend of a friend” concept. International Journal of Big Data Intelligence. 7(1)