R. Cañamares, and P. Castells. Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, ACM, (August 2017)
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)
F. Ma, W. Wang, and Z. Deng. Social Media Retrieval and Mining, volume 387 of Communications in Computer and Information Science, Springer, Berlin/Heidelberg, (2013)
R. Bell, and Y. Koren. Proceedings of the Seventh International Conference on Data Mining, page 43--52. Washington, DC, USA, IEEE Computer Society, (2007)