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Journal Article
Torou E, Katifori A, Vassilakis C, Lepouras G, Halatsis C..  2010.  Historical research in archives: user methodology and supporting tools. International Journal on Digital Libraries. 11(1):25–36.
Vassilakis C, Lorentzos N., Georgiadis P..  1998.  Implementation of transaction and concurrency control support in a temporal DBMS. Information Systems. 23:335–350.
Margaris D, Vassilakis C.  2020.  Improving collaborative filtering’s rating prediction accuracy by considering users’ dynamic rating variability. International Journal of Big Data Intelligence. 7(2)
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)
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.
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.
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, Lepouras G, Rouvas S., Georgiadis P..  2004.  Integrating e-government public transactional services into public authority workflows. Electronic Government. 1:49-60.
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, Halatsis C..  2007.  A knowledge-based approach for developing multi-channel e-government services. Electronic Commerce Research and Applications. 6:113-124.
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, Skiadopoulos S.  2008.  Mobile and context-aware e-commerce: Issues, challenges and research directions. Journal of Electronic Commerce in Organizations. 6:i-iv.
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.
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.
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.
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.
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.
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.
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.
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.  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.  2013.  Performance Tuning of Dual-priority Delta Networks through Queuing Scheduling Disciplines. Journal of Communications Software and Systems. 9(4):222-235.
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.
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.
Lepouras G, Katifori A, Vassilakis C, Charitos D..  2004.  Real exhibitions in a virtual museum. Virtual Reality. 7:120–128.