Mario Benevides, Carla Delgado, Renata P. de Freitas, Paulo A. S. Veloso (auth.), Ana L. C. Bazzan, Sofiane Labidi (eds.)

Advances in Artificial Intelligence – SBIA 2004: 17th Brazilian Symposium on Artificial Intelligence, Sao Luis, Maranhao, Brazil, September 29-Ocotber 1, 2004. Proceedings