S. Rendle, and L. Schmidt-Thieme. Proceedings of the third ACM international conference on Web search and data mining, page 81--90. New York, NY, USA, ACM, (2010)
J. Gemmell, T. Schimoler, B. Mobasher, and R. Burke. E-Commerce and Web Technologies, volume 61 of Lecture Notes in Business Information Processing, Springer, Berlin/Heidelberg, (2010)
D. Parra, and P. Brusilovsky. Proceedings of the Workshop on Web 3.0: Merging Semantic Web and Social Web, volume 467 of CEUR Workshop Proceedings, (June 2009)
M. Pera, and Y. Ng. Proceedings of the 20th ACM international conference on Information and knowledge management, page 2133--2136. New York, NY, USA, ACM, (2011)
R. Jäschke, A. Hotho, F. Mitzlaff, and G. Stumme. Recommender Systems for the Social Web, volume 32 of Intelligent Systems Reference Library, Springer, Berlin/Heidelberg, (2012)
I. Konstas, V. Stathopoulos, and J. Jose. Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval, page 195--202. New York, NY, USA, ACM, (2009)