I. Labutov, Y. Huang, P. Brusilovsky, and D. He. Proceedings of the 23rd ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, page 907--915. New York, NY, USA, ACM, (2017)
P. Brusilovsky, J. Eklund, and E. Schwarz. Proceedings of the Seventh International Conference on World Wide Web 7, page 291--300. Amsterdam, The Netherlands, The Netherlands, Elsevier Science Publishers B. V., (1998)
Y. Huang, M. Yudelson, S. Han, D. He, and P. Brusilovsky. Proceedings of the 2016 Conference on User Modeling Adaptation and Personalization, page 141--150. New York, NY, USA, ACM, (2016)