Progress in artificial intelligence 13th Portuguese Conference on Aritficial [i.e. Artificial] Intelligence, EPIA 2007 workshops: GAIW, AIASTS, ALEA, AMITA, BAOSW, BI, CMBSB, IROBOT, MASTA, STCS, and TEMA, Guimarães, Portugal, December 3-7, 2007 : proceedings / - Neves, José,; Santos, Manuel Filipe.; Machado, José Manuel. (Springer,)