автор: Konstantinos Tarabanis

Dr. Tomas Vitvar is a senior researcher with the Distributed and Parallel Systems group at the University of Innsbruck in Austria. He has over ten years of industrial and research experience gained while working as a software developer, IT architect, systems analyst, researcher and a lecturer. His professional interests are in distributed systems and applications including service-oriented computing, web services and enterprise computing. Dr. Vassilios Peristeras is a research fellow and adjunct lecturer in the Digital Enterprise Research Institute at the National University of Ireland, Galway. His research interests include e Government and e-participation, collaborative work environments, social software, and the Semantic Web. Dr. Konstantinos A. Tarabanis is a professor at the Department of Business Administration of the University of Macedonia, Greece. He was Research Staff Member at the IBM T.J. Watson Research Center where he worked on e-manufacturing techniques. His current research interests include conceptual modeling of information systems, service models and architectures, as well as the domains of e-government, e-learning, e-participation and e-business. He has received best paper awards from the European Conference on Information Systems for his work in e-government and from the International Academy of e-business for his work in e-business.