2005
Yannis Charalabidis, Emerging Systems and Services for e-Invoicing and B2B Collaboration in Greece, Emerging Systems and Services for e-Invoicing and B2B Collaboration in Greece, , , Μάιος, 2005, Athens,   
Christos Gkoumopoulos, N. Drossos, A. Kameas, A Conceptual Model and the Supporting Middleware for Composing Ubiquitous Computing Applications, IEE International Conference on Intelligent Environments, 20-27, , 2005   
Christos Gkoumopoulos, A. Kameas, E. Christopoulou, An ontology-based context management and reasoning process for UbiComp applications, Joint sOc-EUSAI’2005 conference, 265-270, , 2005, Grenoble, France, ACM Press   
2004
Stefanos Gritzalis, Petros Belsis, Distributed Autonomous Knowledge Acquisition and Dissemination Ontology based Framework, PAKM 2004 5th International Conference on Practical Aspects of Knowledge Management -Workshop on Enterprise Modeling and Ontology: Ingredients for Interoperability, H. Kuhn , YES, 319-329, Δεκέμβριος, 2004, Vienna, Austria, University of Vienna   
Stefanos Gritzalis, Petros Belsis, C. Skourlas, A. Malatras, I. Chalaris, Enhancing Knowledge through the use of GIS and Multimedia, PAKM 2004 5th International Conference on Practical Aspects of Knowledge Management, U. Reimer, D. Karagiannis , YES, 319-329, Δεκέμβριος, 2004, Vienna, Austria, Springer   
Stefanos Gritzalis, S. Ikonomopoulos, Integration of Security Engineering into the Rational Unified Process – An Early Iteration, 19th IEEE International Conference on Automated Software Engineering – SAPS’04 Workshop on Specification and Automated Processing of Security Requirements, A. Mapa, C. Rudolph , YES, 167-178, Σεπτέμβριος, 2004, Linz, Austria, IEEE Press and Austrian Computer Society   
Stefanos Gritzalis, E. Kavakli, C. Kalloniatis, Security Requirements Engineering for eGovernment Applications: Analysis of Current Frameworks, DEXA’04 EGOV’04 3rd International Conference on Electronic Government, R. Traunmuller , YES, 66-71, Σεπτέμβριος, 2004, Saragoza, Spain, LNCS, Springer   
Stefanos Gritzalis, K. Moulinos, D. Kambouraki, A Privacy Audit Methodologies Comparison Framework, DEXA’04 EGOV’04 3rd International Conference on Electronic Government, R. Traunmuller , YES, 328-331, Σεπτέμβριος, 2004, Saragoza, Spain, LNCS, Springer   
Stefanos Gritzalis, Theodoros Balopoulos, S. Katsikas, An Extension of Typed MSR for Specifying Esoteric Protocols and their Dolev-Yao Intruder, IFIP TC-6 TC-11 CMS 8th Conference on Communications and Multimedia Security, David Chadwick, Bart Preneel, YES, 209-220, Σεπτέμβριος, 2004, Windermere, UK, Springer   
Stefanos Gritzalis, Georgia Frantzeskou, S. MacDonell, Source Code Authorship Analysis for Supporting the Cybercrime Investigation Process, ICETE, C. Belo, L. Vasiu, YES, 85-92, Αύγουστος, 2004, Setubal Portugal, Kluwer Academic Publishers