@inproceedings{apostolova-etal-2011-automatic,
    title = "Automatic Extraction of Lexico-Syntactic Patterns for Detection of Negation and Speculation Scopes",
    author = "Apostolova, Emilia  and
      Tomuro, Noriko  and
      Demner-Fushman, Dina",
    editor = "Lin, Dekang  and
      Matsumoto, Yuji  and
      Mihalcea, Rada",
    booktitle = "Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies",
    month = jun,
    year = "2011",
    address = "Portland, Oregon, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P11-2049/",
    pages = "283--287"
}