BERT-ATTACK: Adversarial Attack Against BERT Using BERT Linyang Li author Ruotian Ma author Qipeng Guo author Xiangyang Xue author Xipeng Qiu 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 li-etal-2020-bert-attack 10.18653/v1/2020.emnlp-main.500 https://aclanthology.org/2020.emnlp-main.500/ 2020-11 6193 6202