The Impact of Task-Oriented Feature Sets on HMMs for Dialogue Modeling Kristy Boyer author Eun Young Ha author Robert Phillips author James Lester author 2011-06 text Proceedings of the SIGDIAL 2011 Conference Joyce Y Chai editor Johanna D Moore editor Rebecca J Passonneau editor David R Traum editor Association for Computational Linguistics Portland, Oregon conference publication boyer-etal-2011-impact https://aclanthology.org/W11-2007/ 2011-06 49 58