G. Stumme. Proceedings of the International Conference on Database and Expert Systems Applications (DEXA), volume 2453 of LNCS, page 534-546. Springer, (2002)
C. Schmitz, A. Hotho, R. Jäschke, and G. Stumme. Data Science and Classification. Proceedings of the 10th IFCS Conf., page 261--270. Heidelberg, Springer, (July 2006)