Agreement on Target-bidirectional Neural Machine Translation Lemao Liu author Masao Utiyama author Andrew Finch author Eiichiro Sumita author 2016-06 text Proceedings of the 2016 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Kevin Knight editor Ani Nenkova editor Owen Rambow editor Association for Computational Linguistics San Diego, California conference publication liu-etal-2016-agreement 10.18653/v1/N16-1046 https://aclanthology.org/N16-1046/ 2016-06 411 416