KI 2008: Advances in Artificial Intelligence 31st Annual German Conference on AI, KI 2008, Kaiserslautern, Germany, September 23-26, 2008. Proceedings - Dengel, Andreas R.; Berns, Karsten; Breuel, Thomas M.; Bomarius, Frank; Roth-Berghofer, Thomas R. (Springer Berlin Heidelberg, 2008)