@inproceedings{emadzadeh-etal-2011-double,
    title = "Double Layered Learning for Biological Event Extraction from Text",
    author = "Emadzadeh, Ehsan  and
      Nikfarjam, Azadeh  and
      Gonzalez, Graciela",
    editor = "Tsujii, Jun{'}ichi  and
      Kim, Jin-Dong  and
      Pyysalo, Sampo",
    booktitle = "Proceedings of {B}io{NLP} Shared Task 2011 Workshop",
    month = jun,
    year = "2011",
    address = "Portland, Oregon, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W11-1824/",
    pages = "153--154"
}