BERT-Defense: A Probabilistic Model Based on BERT to Combat Cognitively Inspired Orthographic Adversarial Attacks Yannik Keller author Jan Mackensen author Steffen Eger author 2021-08 text Findings of the Association for Computational Linguistics: ACL-IJCNLP 2021 Chengqing Zong editor Fei Xia editor Wenjie Li editor Roberto Navigli editor Association for Computational Linguistics Online conference publication keller-etal-2021-bert 10.18653/v1/2021.findings-acl.141 https://aclanthology.org/2021.findings-acl.141/ 2021-08 1616 1629