@inproceedings{ai-etal-2007-comparing,
    title = "Comparing Spoken Dialog Corpora Collected with Recruited Subjects versus Real Users",
    author = "Ai, Hua  and
      Raux, Antoine  and
      Bohus, Dan  and
      Eskenazi, Maxine  and
      Litman, Diane",
    editor = "Bunt, Harry  and
      Keizer, Simon  and
      Paek, Tim",
    booktitle = "Proceedings of the 8th SIGdial Workshop on Discourse and Dialogue",
    month = sep,
    year = "2007",
    address = "Antwerp, Belgium",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2007.sigdial-1.23/",
    pages = "124--131"
}