@book{hertzberg_ki_2007, title = {{KI} 2007: Advances in Artificial Intelligence}, publisher = {Springer-Verlag}, year = {2007}, editor = {Hertzberg, Joachim and Beetz, Michael and Englert, Roman}, volume = {4667}, series = {Lecture Notes in Artificial Intelligence}, address = {Berlin Heidelberg}, month = {aug}, }