Phrase Clustering for Discriminative Learning Dekang Lin author Xiaoyun Wu author 2009-08 text Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Conference on Natural Language Processing of the AFNLP Keh-Yih Su editor Jian Su editor Janyce Wiebe editor Haizhou Li editor Association for Computational Linguistics Suntec, Singapore conference publication lin-wu-2009-phrase https://aclanthology.org/P09-1116/ 2009-08 1030 1038