Editorial

摘要

Biographical notes: Panagiotis Georgiadis is a Professor in the Department of Informatics and Telecommunications of the University of Athens. He has been a regular member of the Senate of University of Athens (1992 1994), Director of the Computer Systems & Applications Division of the Department of Informatics (1994-1996) and Secretary General for Information Systems by the Greek Ministry of Finance (1997-2002).