@inproceedings{huang-etal-2020-biomedical,
    title = "Biomedical Event Extraction with Hierarchical Knowledge Graphs",
    author = "Huang, Kung-Hsiang  and
      Yang, Mu  and
      Peng, Nanyun",
    editor = "Cohn, Trevor  and
      He, Yulan  and
      Liu, Yang",
    booktitle = "Findings of the Association for Computational Linguistics: EMNLP 2020",
    month = nov,
    year = "2020",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2020.findings-emnlp.114/",
    doi = "10.18653/v1/2020.findings-emnlp.114",
    pages = "1277--1285"
}