KI 2009: Advances in Artificial Intelligence: 32nd Annual German Conference on AI, Paderborn, Germany, September 15-18, 2009, Proceedings (Lecture ... Lecture Notes in Artificial Intelligence)
KI 2009: Advances in Artificial Intelligence: 32nd Annual German Conference on AI, Paderborn, Germany, September 15-18, 2009, Proceedings (Lecture ... Lecture Notes in Artificial Intelligence)