Di Wang, Jun Ma, Tao Lian, Lei Guo. Recommendation based on weighted social trusts and item relationships. In Yookun Cho, Sung Y. Shin, Sang-Wook Kim, Chih-Cheng Hung, Jiman Hong, editors, Symposium on Applied Computing, SAC 2014, Gyeongju, Republic of Korea - March 24 - 28, 2014. pages 254-259, ACM, 2014. [doi]