Synthesizing Parallel Data of User-Generated Texts with Zero-Shot Neural Machine Translation Benjamin Marie author Atsushi Fujita author 2020 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal marie-fujita-2020-synthesizing 10.1162/tacl_a_00341 https://aclanthology.org/2020.tacl-1.46/ 2020 8 710 725