Incorporating Rule-based and Statistic-based Techniques for Coreference Resolution. - Ruifeng Xu 001; Jun Xu 007; Jie Liu; Chengxiang Liu; Chengtian Zou; Lin Gui 003; Yanzhen Zheng; Peng Qu (EMNLP-CoNLL Shared Task, 2012)

Comparative opinion sentences identification and elements extraction. - Chengxiang Liu; Ruifeng Xu; Jie Liu 001; Peng Qu; He Wang 008; Chengtian Zou (ICMLC, 2013)

Reader Emotion Prediction Using Concept and Concept Sequence Features in News Headlines. - Yuanlin Yao; Ruifeng Xu 001; Qin Lu 001; Bin Liu 014; Jun Xu 007; Chengtian Zou; Li Yuan 002; Shuwei Wang; Lin Yao; Zhenyu He 001 (CICLing (2), 2014)