KI 2003: Advances in Artificial Intelligence 26th Annual German Conference on AI, KI 2003, Hamburg, Germany, September 15-18, 2003, Proceedings - Günter, Andreas; Günter, Andreas; Kruse, Rudolf; Kruse, Rudolf; Neumann, Bernd; Neumann, Bernd (Springer Berlin Heidelberg : Imprint: Springer, 2003)