@inproceedings{li-etal-2019-biomedical,
    title = "Biomedical Event Extraction based on Knowledge-driven Tree-{LSTM}",
    author = "Li, Diya  and
      Huang, Lifu  and
      Ji, Heng  and
      Han, Jiawei",
    editor = "Burstein, Jill  and
      Doran, Christy  and
      Solorio, Thamar",
    booktitle = "Proceedings of the 2019 Conference of the North {A}merican Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers)",
    month = jun,
    year = "2019",
    address = "Minneapolis, Minnesota",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/N19-1145/",
    doi = "10.18653/v1/N19-1145",
    pages = "1421--1430"
}