@inproceedings{hovy-etal-2012-happen,
    title = "When Did that Happen? {---} Linking Events and Relations to Timestamps",
    author = "Hovy, Dirk  and
      Fan, James  and
      Gliozzo, Alfio  and
      Patwardhan, Siddharth  and
      Welty, Christopher",
    editor = "Daelemans, Walter",
    booktitle = "Proceedings of the 13th Conference of the {E}uropean Chapter of the Association for Computational Linguistics",
    month = apr,
    year = "2012",
    address = "Avignon, France",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest_wac_2008/E12-1019/",
    pages = "185--193"
}