Collaborative Multi-Agent Dialogue Model Training Via Reinforcement Learning Alexandros Papangelis author Yi-Chia Wang author Piero Molino author Gokhan Tur 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 papangelis-etal-2019-collaborative 10.18653/v1/W19-5912 https://aclanthology.org/W19-5912/ 2019-09 92 102