Collaborative personalized tweet recommendation. - Kailong Chen; Tianqi Chen 001; Guoqing Zheng; Ou Jin; Enpeng Yao; Yong Yu 001 (SIGIR, 2012)

Probabilistic text modeling with orthogonalized topics. - Enpeng Yao; Guoqing Zheng; Ou Jin; Shenghua Bao; Kailong Chen; Zhong Su; Yong Yu 001 (SIGIR, 2014)