@inproceedings{lyu-etal-2022-study, title = "A Study of the Attention Abnormality in Trojaned {BERT}s", author = "Lyu, Weimin and Zheng, Songzhu and Ma, Tengfei and Chen, Chao", editor = "Carpuat, Marine and de Marneffe, Marie-Catherine and Meza Ruiz, Ivan Vladimir", booktitle = "Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies", month = jul, year = "2022", address = "Seattle, United States", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/2022.naacl-main.348/", doi = "10.18653/v1/2022.naacl-main.348", pages = "4727--4741" }