Triggerless Backdoor Attack for NLP Tasks with Clean Labels Leilei Gan author Jiwei Li author Tianwei Zhang author Xiaoya Li author Yuxian Meng author Fei Wu author Yi Yang author Shangwei Guo author Chun Fan author 2022-07 text Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Marine Carpuat editor Marie-Catherine de Marneffe editor Ivan Vladimir Meza Ruiz editor Association for Computational Linguistics Seattle, United States conference publication gan-etal-2022-triggerless 10.18653/v1/2022.naacl-main.214 https://aclanthology.org/2022.naacl-main.214/ 2022-07 2942 2952