Focus on the Target’s Vocabulary: Masked Label Smoothing for Machine Translation Liang Chen author Runxin Xu author Baobao Chang author 2022-05 text Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) Smaranda Muresan editor Preslav Nakov editor Aline Villavicencio editor Association for Computational Linguistics Dublin, Ireland conference publication chen-etal-2022-focus 10.18653/v1/2022.acl-short.74 https://aclanthology.org/2022.acl-short.74/ 2022-05 665 671