On Exposure Bias, Hallucination and Domain Shift in Neural Machine Translation Chaojun Wang author Rico Sennrich author 2020-07 text Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Dan Jurafsky editor Joyce Chai editor Natalie Schluter editor Joel Tetreault editor Association for Computational Linguistics Online conference publication wang-sennrich-2020-exposure 10.18653/v1/2020.acl-main.326 https://aclanthology.org/2020.acl-main.326/ 2020-07 3544 3552