@incollection{Kern-Isberner:2008,
	Author = {Gabriele Kern-Isberner and Matthias Thimm and Marc Finthammer},
	Booktitle = {Proceedings of the Third International Workshop on Semantics in Data and Knowledge Bases (SDKB'08)},
	Editor = {Klaus-Dieter Schewe and Bernhard Thalheim},
	Month = {December},
	Pages = {88--113},
	Publisher = {Springer Verlag},
	Series = {Lecture Notes in Computer Science},
	Title = {Qualitative Knowledge Discovery},
	Number = {4925},
	Year = {2008}}