Imitation Attacks and Defenses for Black-box Machine Translation Systems Eric Wallace author Mitchell Stern author Dawn Song author 2020-11 text Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) Bonnie Webber editor Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication wallace-etal-2020-imitation 10.18653/v1/2020.emnlp-main.446 https://aclanthology.org/2020.emnlp-main.446/ 2020-11 5531 5546