Bing Xiang, Xiaoqiang Luo, Bowen Zhou. Enlisting the Ghost: Modeling Empty Categories for Machine Translation. In Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics, ACL 2013, 4-9 August 2013, Sofia, Bulgaria, Volume 1: Long Papers. pages 822-831, The Association for Computer Linguistics, 2013. [doi]
Abstract is missing.