Proceedings of the First International Conference on E-Business and Telecommunication Networks Acronym: ICETE 2004 Event held on: August 25-28, 2004, in Setúbal, Portugal Editors: João Ascenso 1 , Carlos Belo 2 , Luminita Vasiu 3 , Mónica Saramago 4 and Helder Coelhas 4 Affiliations: 1 Instituto Superior de Engenharia de Lisboa, Portugal , 2 Institute of Telecommunications, Portugal , 3 Middlesex University, United Kingdom , 4 INSTICC, Portugal Vol. 1 - 972-8865-15-5 Vol. 2 - 972-8865-15-5 Vol. 3 - 972-8865-15-5