Bovilas, K., Kanta, A., Makris, C., Tsaknakis, J., Tsakalidis, A., Prentzas, J., Sakkopoulos, E., Sioutas, S. & Vassiliadis, B. “The Eyrydices System: Objectives and Services”, in the Proceedings of WebNet 2000, 5th Annual World Conference on the WWW and Internet (pp. 63-68), October 30- November 4, 2000, San Antonio, Texas, USA.