An Unsupervised Model for Joint Phrase Alignment and Extraction Graham Neubig author Taro Watanabe author Eiichiro Sumita author Shinsuke Mori author Tatsuya Kawahara author 2011-06 text Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies Dekang Lin editor Yuji Matsumoto editor Rada Mihalcea editor Association for Computational Linguistics Portland, Oregon, USA conference publication neubig-etal-2011-unsupervised https://aclanthology.org/P11-1064/ 2011-06 632 641