@inproceedings{cheng-etal-2021-posterior,
    title = "Posterior Differential Regularization with f-divergence for Improving Model Robustness",
    author = "Cheng, Hao  and
      Liu, Xiaodong  and
      Pereira, Lis  and
      Yu, Yaoliang  and
      Gao, Jianfeng",
    editor = "Toutanova, Kristina  and
      Rumshisky, Anna  and
      Zettlemoyer, Luke  and
      Hakkani-Tur, Dilek  and
      Beltagy, Iz  and
      Bethard, Steven  and
      Cotterell, Ryan  and
      Chakraborty, Tanmoy  and
      Zhou, Yichao",
    booktitle = "Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.naacl-main.85/",
    doi = "10.18653/v1/2021.naacl-main.85",
    pages = "1078--1089"
}