@inproceedings{colman-etal-2008-quantifying,
    title = "Quantifying Ellipsis in Dialogue: an index of mutual understanding",
    author = "Colman, Marcus  and
      Eshghi, Arash  and
      Healey, Pat",
    editor = "Schlangen, David  and
      Hockey, Beth Ann",
    booktitle = "Proceedings of the 9th {SIG}dial Workshop on Discourse and Dialogue",
    month = jun,
    year = "2008",
    address = "Columbus, Ohio",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/Author-page-Marten-During-lu/W08-0116/",
    pages = "96--99"
}