@inproceedings{yoshida14apsipa,
    title = {Unnecessary Utterance Detection for Avoiding Digressions in Discussion},
    author = {Riki Yoshida and Takuya Hiraoka and Graham Neubig and Sakriani Sakti and Tomoki Toda and Satoshi Nakamura},
    booktitle = {Asia Pacific Signal and Information Processing Association (APSIPA)},
    address = {Siem Reap, Cambodia},
    month = {December},
    url = {http://www.phontron.com/paper/yoshida14apsipa.pdf},
    year = {2014}
}