The Curious Case of Hallucinations in Neural Machine Translation Vikas Raunak author Arul Menezes author Marcin Junczys-Dowmunt author 2021-06 text Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Kristina Toutanova editor Anna Rumshisky editor Luke Zettlemoyer editor Dilek Hakkani-Tur editor Iz Beltagy editor Steven Bethard editor Ryan Cotterell editor Tanmoy Chakraborty editor Yichao Zhou editor Association for Computational Linguistics Online conference publication raunak-etal-2021-curious 10.18653/v1/2021.naacl-main.92 https://aclanthology.org/2021.naacl-main.92/ 2021-06 1172 1183