@inproceedings{bethard-etal-2015-semeval,
    title = "{S}em{E}val-2015 Task 6: Clinical {T}emp{E}val",
    author = "Bethard, Steven  and
      Derczynski, Leon  and
      Savova, Guergana  and
      Pustejovsky, James  and
      Verhagen, Marc",
    editor = "Nakov, Preslav  and
      Zesch, Torsten  and
      Cer, Daniel  and
      Jurgens, David",
    booktitle = "Proceedings of the 9th International Workshop on Semantic Evaluation ({S}em{E}val 2015)",
    month = jun,
    year = "2015",
    address = "Denver, Colorado",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/S15-2136/",
    doi = "10.18653/v1/S15-2136",
    pages = "806--814"
}