@inproceedings{zhou-xue-2011-discourse,
    title = "Discourse-constrained Temporal Annotation",
    author = "Zhou, Yuping  and
      Xue, Nianwen",
    editor = "Ide, Nancy  and
      Meyers, Adam  and
      Pradhan, Sameer  and
      Tomanek, Katrin",
    booktitle = "Proceedings of the 5th Linguistic Annotation Workshop",
    month = jun,
    year = "2011",
    address = "Portland, Oregon, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W11-0420/",
    pages = "161--169"
}