@inproceedings{mehta-etal-2010-probabilistic,
    title = "Probabilistic Ontology Trees for Belief Tracking in Dialog Systems",
    author = "Mehta, Neville  and
      Gupta, Rakesh  and
      Raux, Antoine  and
      Ramachandran, Deepak  and
      Krawczyk, Stefan",
    editor = "Katagiri, Yasuhiro  and
      Nakano, Mikio",
    booktitle = "Proceedings of the {SIGDIAL} 2010 Conference",
    month = sep,
    year = "2010",
    address = "Tokyo, Japan",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W10-4306/",
    pages = "37--46"
}