Turn-Yielding Cues in Task-Oriented Dialogue Agustín Gravano author Julia Hirschberg author 2009-09 text Proceedings of the SIGDIAL 2009 Conference Patrick Healey editor Roberto Pieraccini editor Donna Byron editor Steve Young editor Matthew Purver editor Association for Computational Linguistics London, UK conference publication gravano-hirschberg-2009-turn https://aclanthology.org/W09-3936/ 2009-09 253 261