J. Illig, A. Hotho, R. Jäschke, und G. Stumme. Knowledge Processing and Data Analysis, Volume 6581 von Lecture Notes in Computer Science, Seite 136--149. Berlin/Heidelberg, Springer, (2011)
R. Jäschke, A. Hotho, F. Mitzlaff, und G. Stumme. Recommender Systems for the Social Web, Volume 32 von Intelligent Systems Reference Library, Springer, Berlin/Heidelberg, (2012)
J. Mueller, S. Doerfel, M. Becker, A. Hotho, und G. Stumme. Recommender Systems and the Social Web Workshop at 7th ACM Conference on Recommender Systems, RecSys 2013, Hong Kong, China -- October 12-16, 2013. Proceedings, Seite New York, NY, USA. ACM, (2013)accepted for publication.