Bi-Directional Neural Machine Translation with Synthetic Parallel Data Xing Niu author Michael Denkowski author Marine Carpuat author 2018-07 text Proceedings of the 2nd Workshop on Neural Machine Translation and Generation Alexandra Birch editor Andrew Finch editor Thang Luong editor Graham Neubig editor Yusuke Oda editor Association for Computational Linguistics Melbourne, Australia conference publication niu-etal-2018-bi 10.18653/v1/W18-2710 https://aclanthology.org/W18-2710/ 2018-07 84 91