@inproceedings{wu-etal-2020-perturbed,
    title = "Perturbed Masking: Parameter-free Probing for Analyzing and Interpreting {BERT}",
    author = "Wu, Zhiyong  and
      Chen, Yun  and
      Kao, Ben  and
      Liu, Qun",
    editor = "Jurafsky, Dan  and
      Chai, Joyce  and
      Schluter, Natalie  and
      Tetreault, Joel",
    booktitle = "Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics",
    month = jul,
    year = "2020",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2020.acl-main.383/",
    doi = "10.18653/v1/2020.acl-main.383",
    pages = "4166--4176"
}