@inproceedings{zhang-etal-2023-diffusion, title = "Diffusion Theory as a Scalpel: Detecting and Purifying Poisonous Dimensions in Pre-trained Language Models Caused by Backdoor or Bias", author = "Zhang, Zhiyuan and Chen, Deli and Zhou, Hao and Meng, Fandong and Zhou, Jie and Sun, Xu", editor = "Rogers, Anna and Boyd-Graber, Jordan and Okazaki, Naoaki", booktitle = "Findings of the Association for Computational Linguistics: ACL 2023", month = jul, year = "2023", address = "Toronto, Canada", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/2023.findings-acl.157/", doi = "10.18653/v1/2023.findings-acl.157", pages = "2495--2517" }