P. Matuszyk, und M. Spiliopoulou. Proceedings of the 4th International Conference on Web Intelligence, Mining and Semantics (WIMS14), Seite 38:1--38:6. New York, NY, USA, ACM, (2014)
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)