A Study of the Attention Abnormality in Trojaned BERTs Weimin Lyu author Songzhu Zheng author Tengfei Ma author Chao Chen 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 lyu-etal-2022-study 10.18653/v1/2022.naacl-main.348 https://aclanthology.org/2022.naacl-main.348/ 2022-07 4727 4741