An Integrated Multi-document Summarization Approach based on Word Hierarchical Representation You Ouyang author Wenjie Li author Qin Lu author 2009-08 text Proceedings of the ACL-IJCNLP 2009 Conference Short Papers Keh-Yih Su editor Jian Su editor Janyce Wiebe editor Haizhou Li editor Association for Computational Linguistics Suntec, Singapore conference publication ouyang-etal-2009-integrated https://aclanthology.org/P09-2029/ 2009-08 113 116