@inproceedings{ultes-minker-2014-interaction,
    title = "Interaction Quality Estimation in Spoken Dialogue Systems Using Hybrid-{HMM}s",
    author = "Ultes, Stefan  and
      Minker, Wolfgang",
    editor = "Georgila, Kallirroi  and
      Stone, Matthew  and
      Hastie, Helen  and
      Nenkova, Ani",
    booktitle = "Proceedings of the 15th Annual Meeting of the Special Interest Group on Discourse and Dialogue ({SIGDIAL})",
    month = jun,
    year = "2014",
    address = "Philadelphia, PA, U.S.A.",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/W14-4328/",
    doi = "10.3115/v1/W14-4328",
    pages = "208--217"
}