@inproceedings{vanderwende-etal-2013-annotating,
    title = "Annotating Change of State for Clinical Events",
    author = "Vanderwende, Lucy  and
      Xia, Fei  and
      Yetisgen-Yildiz, Meliha",
    editor = "Hovy, Eduard  and
      Mitamura, Teruko  and
      Palmer, Martha",
    booktitle = "Workshop on Events: Definition, Detection, Coreference, and Representation",
    month = jun,
    year = "2013",
    address = "Atlanta, Georgia",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W13-1206/",
    pages = "47--51"
}