@inproceedings{gupta-ji-2009-predicting,
    title = "Predicting Unknown Time Arguments based on Cross-Event Propagation",
    author = "Gupta, Prashant  and
      Ji, Heng",
    editor = "Su, Keh-Yih  and
      Su, Jian  and
      Wiebe, Janyce  and
      Li, Haizhou",
    booktitle = "Proceedings of the {ACL}-{IJCNLP} 2009 Conference Short Papers",
    month = aug,
    year = "2009",
    address = "Suntec, Singapore",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P09-2093/",
    pages = "369--372"
}