@inproceedings{liu-etal-2009-unsupervised,
    title = "Unsupervised Approaches for Automatic Keyword Extraction Using Meeting Transcripts",
    author = "Liu, Feifan  and
      Pennell, Deana  and
      Liu, Fei  and
      Liu, Yang",
    editor = "Ostendorf, Mari  and
      Collins, Michael  and
      Narayanan, Shri  and
      Oard, Douglas W.  and
      Vanderwende, Lucy",
    booktitle = "Proceedings of Human Language Technologies: The 2009 Annual Conference of the North {A}merican Chapter of the Association for Computational Linguistics",
    month = jun,
    year = "2009",
    address = "Boulder, Colorado",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/N09-1070/",
    pages = "620--628"
}