@inproceedings{stibler-denny-2001-three,
    title = "A Three-Tiered Evaluation Approach for Interactive Spoken Dialogue Systems",
    author = "Stibler, Kathleen  and
      Denny, James",
    booktitle = "Proceedings of the First International Conference on Human Language Technology Research",
    year = "2001",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/H01-1068/"
}