KI 2002: Advances in Artificial Intelligence 25th Annual German Conference on AI, KI 2002, Aachen, Germany, September 16-20, 2002. Proceedings - Jarke, Matthias; Jarke, Matthias; Koehler, Jana; Koehler, Jana; Lakemeyer, Gerhard; Lakemeyer, Gerhard (Springer Berlin Heidelberg : Imprint: Springer, 2002)