Interaction Quality Estimation in Spoken Dialogue Systems Using Hybrid-HMMs Stefan Ultes author Wolfgang Minker author 2014-06 text Proceedings of the 15th Annual Meeting of the Special Interest Group on Discourse and Dialogue (SIGDIAL) Kallirroi Georgila editor Matthew Stone editor Helen Hastie editor Ani Nenkova editor Association for Computational Linguistics Philadelphia, PA, U.S.A. conference publication ultes-minker-2014-interaction 10.3115/v1/W14-4328 https://aclanthology.org/W14-4328/ 2014-06 208 217