Evaluating Websites and Web Services

Denis Yannacopoulos is a Professor of management information systems at the Technological and Educational Institute of Pireaus, Greece. He is a proposal and structure evaluator of Continual Professional Training in the Ministry of Labor of Greece, since 1998. He received his PhD degree on the application and experimentation of a multicriteria decision support system from the University of Paris, France, in 1985. He has published many papers in national and international papers and has participated in many research and consultative committees. Panagiotis Manolitzas is a PhD student at the Decision Support Systems of Technical University of Crete. He holds a Bachelor in Public Administration (specialisation in Management Science) from the University of Athens and a MSc in Public Management (specialisation in Management Science) from the University of Athens. He taught Management Information Systems, Health Management at University of Athens, Management Information Systems at Technological Educational institute of Piraeus and Decision Support Systems at Technical University of Crete. He has over 40 publications in International, National Scientific Conferences and scientific journals. He is a Member of Hellenic Operational Research Society. His research interests lie in the areas of Simulation, Decision Support Systems for the health care organisations, health services research, process mining, multiple criteria analysis and e-government. Nikolaos Matsatsinis is a Professor of Information and Intelligent Decision Support Systems at the Department of Production Engineering and Management of the Technical University of Crete, Greece. He is Chairman of the Department, Director of Decision Support Systems Lab and President of Hellenic Operational Research Society (HELORS). He also has over twenty eight years of experience in Information and Decision Systems development. He has coordinated or/and contributed on over of thirty projects. He is the author or co-author of fifteen books and over sixty six articles in international scientific journals and books. He is member of the international advisory board of three scientific journals. His research interests fall into the areas of Decision Support Systems, Artificial Intelligent and Multi-Agent Systems, Multicriteria Decision Analysis, Group Decision Support Systems, Workflow Management Systems, e-Business, e-Marketing, Consumer Behaviour Analysis. Evangelos Grigoroudis is an Assistant Professor at the Department of Production Engineering and Management, Technical University of Crete, Chania, Greece. He received the diploma in production and management engineering from the Technical University of Crete in 1991 and M.S. and Ph.D. degrees from the same University, in 1996 and 1999, respectively. His research interests are in service quality, operational research and customer behavioural analysis. He acts as reviewer for more than 50 scientific journals and he is an Assistant Editor of <em>Operational Research: An International Journal</em> and <em>International Journal of Decision Support Systems</em> and a member of the Editorial Board for the <em>International Journal of Information and Decision Sciences</em>, <em>International Journal of Information Systems in the Service Sector</em> and <em>International Journal of Multicriteria Decision Making</em>.