R. Jäschke, F. Eisterlehner, A. Hotho, und G. Stumme. RecSys '09: Proceedings of the third ACM Conference on Recommender Systems, Seite 369--372. New York, NY, USA, ACM, (2009)
M. Atzmueller, F. Lemmerich, B. Krause, und A. Hotho. Proc. LeGo-09: From Local Patterns to Global Models, Workshop at the 2009 European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases, (2009)accepted.