@inproceedings{li-etal-2020-unified,
    title = "A Unified {MRC} Framework for Named Entity Recognition",
    author = "Li, Xiaoya  and
      Feng, Jingrong  and
      Meng, Yuxian  and
      Han, Qinghong  and
      Wu, Fei  and
      Li, Jiwei",
    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://preview.aclanthology.org/fix-sig-urls/2020.acl-main.519/",
    doi = "10.18653/v1/2020.acl-main.519",
    pages = "5849--5859"
}