Advances in data analysis : proceedings of the 30th annual conference of the Gesellschaft fur Klassifikation e.V., Freie Universitat Berlin, March 8-10, 2006. : 30th annual conference of the German Classification Society (Gesellschaft fur Klassifikation -- GfKl) on "advances in data analysis" : Mar 2006, Berlin, Germany.
(Studies in Classification, Data Analysis, and Knowledge Organization)