@inproceedings{walker-etal-2001-quantitative,
    title = "Quantitative and Qualitative Evaluation of Darpa Communicator Spoken Dialogue Systems",
    author = "Walker, Marilyn A.  and
      Passonneau, Rebecca  and
      Boland, Julie E.",
    booktitle = "Proceedings of the 39th Annual Meeting of the Association for Computational Linguistics",
    month = jul,
    year = "2001",
    address = "Toulouse, France",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/P01-1066/",
    doi = "10.3115/1073012.1073078",
    pages = "515--522"
}