José A. Moinhos Cordeiro Vitor Pedrosa Bruno Encarnação Joaquim Filipe WEBIST 2006, Proceedings of the Second International Conference on Web Information Systems and Technologies: Society, e-Business and e-Government / e-Learning, Setúbal, Portugal, April 11-13, 2006 978-972-8865-47-4 INSTICC Press 2006 conf/webist/2006-1 db/conf/webist/webist2006-2.html