Improving Back-Translation with Uncertainty-based Confidence Estimation Shuo Wang author Yang Liu author Chao Wang author Huanbo Luan author Maosong Sun author 2019-11 text Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP) Kentaro Inui editor Jing Jiang editor Vincent Ng editor Xiaojun Wan editor Association for Computational Linguistics Hong Kong, China conference publication wang-etal-2019-improving-back 10.18653/v1/D19-1073 https://aclanthology.org/D19-1073/ 2019-11 791 802