@inproceedings{kim-etal-2011-improving,
    title = "Improving Classification of Medical Assertions in Clinical Notes",
    author = "Kim, Youngjun  and
      Riloff, Ellen  and
      Meystre, St{\'e}phane",
    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/P11-2054/",
    pages = "311--316"
}