Reducing SMT Rule Table with Monolingual Key Phrase Zhongjun He author Yao Meng author Yajuan author Hao Yu author Qun Liu 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 he-etal-2009-reducing https://aclanthology.org/P09-2031/ 2009-08 121 124