Advances in Artificial Intelligence 16th Brazilian Symposium on Artificial Intelligence, SBIA 2002, Porto de Galinhas/Recife, Brazil, November 11-14, 2002, Proceedings - Bittencourt, Guilherme; Bittencourt, Guilherme; Ramalho, Geber L.; Ramalho, Geber L. (Springer Berlin Heidelberg : Imprint: Springer, 2002)