Aggelis Lefteris, Associate Proffesor, Aristotle University of Thessaloniki Aldana Jose, Professor, Malaga University, Malaga, Spain Atif Memon, Associate Professor, University of Maryland. USA Berki Eleni, Assistant Professor, University of Tampere, Finland Barsics Joseph, Professor, Haute École de la Province de Liège, Belgium Evangelidis Georgios, Professor, University of Macedonia, Thessaloniki Kakarontzas Georgios, Assistant Professor, T.E.I. of Thessaly Karamitopoulos Leonidas, Ph.D. (Data Mining) Kouroupetroglou Christos, Ph.D. (Metadata Technologies, Web Design and Development Technologies) Laiho Martti, Senior Lecturer (retired), HAAGA-HELIA University of Applied Sciences, Helsniki, Finland Laux Fritz, Professor (retired), Reutlingen University, Reutlingen, Germany Mnkandla Ernest, Lecturer, University of Johannesburg, South Africa Nitsos Ilias, Lecturer, Dept. of Librarianship and Information Science, Thessaloniki A.T.E.I. Pouyioutas Philippos, Professor, Vice Rector, University of Nicosia, Cyprus Rantanen Jaakko, Software Specialist, Tieto, Helsinki, Finland Samaras Nikolaos, Associate Professor, University of Macedonia, Thessaloniki Siakas Kerstin, Associate Professor, Information Technology, Thessaloniki A.T.E.I. Skourlas Christos, Professor, Dept. of Informatics, Athens T.E.I. Silpio Kari, Lecturer, HAAGA-HELIA University of Applied Sciences, Helsinki, Finland Stamelos Ioannis, Assistant Professor, Aristotle University of Thessaloniki Wang Peiling, Professor, University of Tennessee, Tennessee, USA