KI 2004: Advances in Artificial Intelligence 27th Annual German Conference in AI, KI 2004, Ulm, Germany, September 20-24, 2004, Proceedings - Biundo, Susanne; Biundo, Susanne; Frühwirth, Thom; Frühwirth, Thom; Palm, Günther; Palm, Günther (Springer Berlin Heidelberg : Imprint: Springer, 2004)