@inproceedings{ohtake-2008-unsupervised,
    title = "Unsupervised Approach for Dialogue Act Classification",
    author = "Ohtake, Kiyonori",
    editor = "Roxas, Rachel Edita O.",
    booktitle = "Proceedings of the 22nd Pacific Asia Conference on Language, Information and Computation",
    month = nov,
    year = "2008",
    address = "The University of the Philippines Visayas Cebu College, Cebu City, Philippines",
    publisher = "De La Salle University, Manila, Philippines",
    url = "https://aclanthology.org/Y08-1047/",
    pages = "445--451"
}