Coherent Back-Channel Feedback Tagging of In-Car Spoken Dialogue Corpus Yuki Kamiya author Tomohiro Ohno author Shigeki Matsubara author 2010-09 text Proceedings of the SIGDIAL 2010 Conference Yasuhiro Katagiri editor Mikio Nakano editor Association for Computational Linguistics Tokyo, Japan conference publication kamiya-etal-2010-coherent https://aclanthology.org/W10-4335/ 2010-09 205 208