Tackling Sparsity, the Achilles Heel of Social Networks: Language Model Smoothing via Social Regularization. - Rui Yan 001; Xiang Li 065; Mengwen Liu; Xiaohua Hu 001 (ACL (2), 2015)

StalemateBreaker: A Proactive Content-Introducing Approach to Automatic Human-Computer Conversation. - Xiang Li 065; Lili Mou; Rui Yan 001; Ming Zhang 004 (IJCAI, 2016)

Structured Knowledge Tracing Models for Student Assessment on Coursera. - Zhuo Wang; Jile Zhu; Xiang Li 065; Zhiting Hu; Ming Zhang 004 (L@S, 2016)

Two are Better than One: An Ensemble of Retrieval- and Generation-Based Dialog Systems. - Yiping Song; Rui Yan 001; Xiang Li 065; Dongyan Zhao 001; Ming Zhang 004 (CoRR, 2016)

Joint Emoji Classification and Embedding Learning. - Xiang Li 065; Rui Yan 001; Ming Zhang 004 (APWeb/WAIM (2), 2017)

An Effective Framework for Automatically Generating and Ranking Topics in MOOC Videos. - Jile Zhu; Xiang Li 065; Zhuo Wang; Ming Zhang 004 (EDM, 2017)

Emotion Analysis for the Upcoming Response in Open-Domain Human-Computer Conversation. - Xiang Li 065; Ming Zhang 004 (APWeb/WAIM Workshops, 2018)