Ana Paiva
Department of Informatics Engineering
Faculty of Engineering
University of Porto
Rua Dr. Roberto Frias, s/n
4200-465 Porto, Portugal
office: Gab. I126
phone: +351 22 508 1523
fax: +351 22 557 4103
Research lab:I122 phone:+351 22 508 1613
e-mail: apaiva @ fe . up . pt