@inproceedings{apostolova-tomuro-2010-exploring,
    title = "Exploring Surface-Level Heuristics for Negation and Speculation Discovery in Clinical Texts",
    author = "Apostolova, Emilia  and
      Tomuro, Noriko",
    editor = "Cohen, K. Bretonnel  and
      Demner-Fushman, Dina  and
      Ananiadou, Sophia  and
      Pestian, John  and
      Tsujii, Jun{'}ichi  and
      Webber, Bonnie",
    booktitle = "Proceedings of the 2010 Workshop on Biomedical Natural Language Processing",
    month = jul,
    year = "2010",
    address = "Uppsala, Sweden",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W10-1910/",
    pages = "81--82"
}