@inproceedings{zhang-etal-2020-two,
    title = "A Two-Step Approach for Implicit Event Argument Detection",
    author = "Zhang, Zhisong  and
      Kong, Xiang  and
      Liu, Zhengzhong  and
      Ma, Xuezhe  and
      Hovy, Eduard",
    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.667/",
    doi = "10.18653/v1/2020.acl-main.667",
    pages = "7479--7485"
}