Proceedings of the 7th International Workshop on Pattern Recognition in Information Systems Acronym: PRIS 2007/ICEIS Event held on: June 12-16, 2007, in Funchal, Madeira, Portugal Editors: Ana Fred 1 and Anil Jain 2 Affiliations: 1 Instituto de Telecomunicações / IST, Portugal , 2 Michigan State University, United States ISBN: 978-972-8865-93-1