ECNU: Multi-level Sentiment Analysis on Twitter Using Traditional Linguistic Features and Word Embedding Features. - Zhihua Zhang; GuoShun Wu; Man Lan (SemEval@NAACL-HLT, 2015)

Leverage Web-based Answer Retrieval and Hierarchical Answer Selection to Improve the Performance of Live Question Answering. - GuoShun Wu; Man Lan (TREC, 2015)

Building mutually beneficial relationships between question retrieval and answer ranking to improve performance of community question answering. - Man Lan; GuoShun Wu; Chunyun Xiao; Yuanbin Wu; Ju Wu (IJCNN, 2016)

ECNU at SemEval-2016 Task 3: Exploring Traditional Method and Deep Learning Method for Question Retrieval and Answer Ranking in Community Question Answering. - GuoShun Wu; Man Lan (SemEval@NAACL-HLT, 2016)

ECNU at SemEval-2017 Task 3: Using Traditional and Deep Learning Methods to Address Community Question Answering Task. - GuoShun Wu; Yixuan Sheng; Man Lan; Yuanbin Wu (SemEval@ACL, 2017)