@inproceedings{huang-etal-2021-ghostbert,
    title = "{G}host{BERT}: Generate More Features with Cheap Operations for {BERT}",
    author = "Huang, Zhiqi  and
      Hou, Lu  and
      Shang, Lifeng  and
      Jiang, Xin  and
      Chen, Xiao  and
      Liu, Qun",
    editor = "Zong, Chengqing  and
      Xia, Fei  and
      Li, Wenjie  and
      Navigli, Roberto",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers)",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-long.509/",
    doi = "10.18653/v1/2021.acl-long.509",
    pages = "6512--6523"
}