S. Bao, G. Xue, X. Wu, Y. Yu, B. Fei, und Z. Su. WWW '07: Proceedings of the 16th international conference on World Wide Web, New York, NY, USA, ACM Press, (2007)
S. Doerfel, R. Jäschke, A. Hotho, und G. Stumme. Proceedings of the 4th ACM RecSys workshop on Recommender systems and the social web, Seite 9--16. New York, NY, USA, ACM, (2012)
G. Koutrika, F. Effendi, Z. Gyöngyi, P. Heymann, und H. Garcia-Molina. AIRWeb '07: Proceedings of the 3rd international workshop on Adversarial information retrieval on the web, Seite 57--64. New York, NY, USA, ACM Press, (2007)
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)
Y. Yanbe, A. Jatowt, S. Nakamura, und K. Tanaka. JCDL '07: Proceedings of the 7th ACM/IEEE-CS joint conference on Digital libraries, Seite 107--116. New York, NY, USA, ACM, (2007)
B. Krause, A. Hotho, und G. Stumme. Advances in Information Retrieval, 30th European Conference on IR Research, ECIR 2008, 4956, Seite 101-113. Springer, (2008)