@inproceedings{chen-etal-2021-multi,
    title = "Multi-granularity Textual Adversarial Attack with Behavior Cloning",
    author = "Chen, Yangyi  and
      Su, Jin  and
      Wei, Wei",
    editor = "Moens, Marie-Francine  and
      Huang, Xuanjing  and
      Specia, Lucia  and
      Yih, Scott Wen-tau",
    booktitle = "Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing",
    month = nov,
    year = "2021",
    address = "Online and Punta Cana, Dominican Republic",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.emnlp-main.371/",
    doi = "10.18653/v1/2021.emnlp-main.371",
    pages = "4511--4526"
}