@inproceedings{vlachos-etal-2009-biomedical,
    title = "Biomedical Event Extraction without Training Data",
    author = "Vlachos, Andreas  and
      Buttery, Paula  and
      {\'O} S{\'e}aghdha, Diarmuid  and
      Briscoe, Ted",
    editor = "Tsujii, Jun{'}ichi",
    booktitle = "Proceedings of the {B}io{NLP} 2009 Workshop Companion Volume for Shared Task",
    month = jun,
    year = "2009",
    address = "Boulder, Colorado",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W09-1405/",
    pages = "37--40"
}