@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" }