Universal Conditional Masked Language Pre-training for Neural Machine Translation Pengfei Li author Liangyou Li author Meng Zhang author Minghao Wu author Qun Liu author 2022-05 text Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Smaranda Muresan editor Preslav Nakov editor Aline Villavicencio editor Association for Computational Linguistics Dublin, Ireland conference publication li-etal-2022-universal 10.18653/v1/2022.acl-long.442 https://aclanthology.org/2022.acl-long.442/ 2022-05 6379 6391