Advances in Artificial Intelligence : International Joint Conference, 7th Ibero-American Conference on AI, 15th Brazilian Symposium on AI IBERAMIA-SBIA 2000 : Atibaia, SP, Brazil, November 19-22, 2000 : proceedings - Monard, Maria Carolina; Sichman, Jaime S. 1962- (Lecture notes in computer science, 2000)