User Evaluation of a Multi-dimensional Statistical Dialogue System Simon Keizer author Ondřej Dušek author Xingkun Liu author Verena Rieser 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 keizer-etal-2019-user 10.18653/v1/W19-5945 https://aclanthology.org/W19-5945/ 2019-09 392 398