Multi-task Learning for Multilingual Neural Machine Translation Yiren Wang author ChengXiang Zhai author Hany Hassan author 2020-11 text Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) Bonnie Webber editor Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication wang-etal-2020-multi 10.18653/v1/2020.emnlp-main.75 https://aclanthology.org/2020.emnlp-main.75/ 2020-11 1022 1034