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2014
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.
2013
Lykourentzou I, Claude X., Naudet Y., Tobias E., Antoniou A, Lepouras G, Vassilakis C.  2013.  Improving museum visitors' Quality of Experience through intelligent recommendations: A visiting style-based approach. Proceedings of MASIE 2013 Workshop, co-located with the 9th International Conference on Intelligent Environments IE'13.
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.
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.
2012
Lykourentzou I, Dagka F, Papadaki K, Lepouras G, Vassilakis C.  2012.  Wikis in enterprise settings: a survey. Enterprise Information Systems. 6:1-53.
2011
Rompa J., Lepouras G, Vassilakis C, Tryfonopoulos C.  2011.  OntoFM: A Personal Ontology-based File Manager for the Desktop. Demo at the 10th International Web Conference, 2011, Bonn, Germany.
Rompa J, Lepouras G, Vassilakis C, Tryfonopoulos C.  2011.  OntoFM: A Personal Ontology-based File Manager for the Desktop. Proccedings of the International Semantic Web Conference (ISWC).
Akim NMd., Dix A, Katifori A, Lepouras G, Shabir N, Vassilakis C.  2011.  Spreading Activation for Web Scale Reasoning: Promise and Problems. WebSci 11, poster presentation. :1-4.
Antoniou A, Diakakis D, Lepouras G, Vassilakis C.  2011.  Towards a methodological framework for the cognitive-behavioural evaluation of educational e-games. International Journal of Learning Technology. 6:263–287.
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.
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.
Dix A, Katifori A, Lepouras G, Vassilakis C, Shabir N.  2010.  Spreading Activation Over Ontologies: From Personal Context To Web Scale Reasoning. International Journal of Semantic Computing. Special issue on Web Scale Reasoning:59–102.
2009
Torou E, Katifori A, Vassilakis C, Lepouras G, Halatsis C..  2009.  Capturing the historical research methodology: an experimental approach. Proceedings of International Conference of Education, Research and Innovation (ICERI 2009).
Vassilakis C, Lepouras G, Katifori A.  2009.  A heuristics-based approach to reverse engineering of electronic services. Information and Software Technology. 51:325-336.
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.
2008
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.
Mateevitsi V., Sfakianos M., Lepouras G, Vassilakis C.  2008.  A game-engine based virtual museum authoring and presentation system. Proceedings - 3rd International Conference on Digital Interactive Media in Entertainment and Arts, DIMEA 2008. :451-457.
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.
Golemati M., Vassilakis C, Katifori A, Lepouras G, Halatsis C..  2008.  Intelligent User Interfaces: Adaptation and Personalization Systems and Technologies. :188–204.
Golemati M., Katifori A, Giannopoulou E.G., Daradimos I., Vassilakis C, Lepouras G, Halatsis C..  2008.  An interview-based user study on the use of visualizations for folder browsing. Proceedings of the International Conference on Information Visualisation. :106-112.
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.
Katifori A, Vassilakis C, Daradimos I., Lepouras G, Ioannidis Y, Dix A, Poggi A, Catarci T.  2008.  Personal Ontology Creation and Visualization for a Personal Interaction Management System. Proceedings of PIM, CHI 2008.
Katifori A, Torou E, Vassilakis C, Lepouras G, Halatsis C..  2008.  Selected results of a comparative study of four ontology visualization methods for information retrieval tasks. Proceedings of the 2nd International Conference on Research Challenges in Information Science, RCIS 2008. :133-140.
2007
Katifori A, Golemati M., Vassilakis C, Lepouras G, Halatsis C..  2007.  Creating an Ontology for the User Profile: Method and Applications. RCIS. :407–412.
Lepouras G, Vassilakis C, Halatsis C., Georgiadis P..  2007.  Domain expert user development: The smartgov approach. Communications of the ACM. 50:79-83.