F. Mitzlaff, S. Doerfel, A. Hotho, R. Jäschke, und J. Mueller. 15th Discovery Challenge of the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases, ECML PKDD 2013, Prague, Czech Republic - Sctober 27, 2013. Proceedings, 1120, Seite 7--24. Aachen, Germany, CEUR-WS, (2014)
