@inproceedings{liu-etal-2013-biomedical,
    title = "Biomedical Event Extraction by Multi-class Classification of Pairs of Text Entities",
    author = "Liu, Xiao  and
      Bordes, Antoine  and
      Grandvalet, Yves",
    editor = "N{\'e}dellec, Claire  and
      Bossy, Robert  and
      Kim, Jin-Dong  and
      Kim, Jung-jae  and
      Ohta, Tomoko  and
      Pyysalo, Sampo  and
      Zweigenbaum, Pierre",
    booktitle = "Proceedings of the {B}io{NLP} Shared Task 2013 Workshop",
    month = aug,
    year = "2013",
    address = "Sofia, Bulgaria",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W13-2006/",
    pages = "45--49"
}