Improving Interaction Quality Estimation with BiLSTMs and the Impact on Dialogue Policy Learning Stefan Ultes author 2019-09 text Proceedings of the 20th Annual SIGdial Meeting on Discourse and Dialogue Satoshi Nakamura editor Milica Gasic editor Ingrid Zukerman editor Gabriel Skantze editor Mikio Nakano editor Alexandros Papangelis editor Stefan Ultes editor Koichiro Yoshino editor Association for Computational Linguistics Stockholm, Sweden conference publication ultes-2019-improving 10.18653/v1/W19-5902 https://aclanthology.org/W19-5902/ 2019-09 11 20