@inproceedings{williams-2011-empirical,
    title = "An Empirical Evaluation of a Statistical Dialog System in Public Use",
    author = "Williams, Jason",
    editor = "Chai, Joyce Y.  and
      Moore, Johanna D.  and
      Passonneau, Rebecca J.  and
      Traum, David R.",
    booktitle = "Proceedings of the {SIGDIAL} 2011 Conference",
    month = jun,
    year = "2011",
    address = "Portland, Oregon",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/W11-2016/",
    pages = "130--141"
}