Sequence-Level Training for Non-Autoregressive Neural Machine Translation Chenze Shao author Yang Feng author Jinchao Zhang author Fandong Meng author Jie Zhou author 2021-12 text journal article Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal shao-etal-2021-sequence 10.1162/coli_a_00421 https://aclanthology.org/2021.cl-4.29/ 2021-12 47 4 891 925