Learning Efficient Dialogue Policy from Demonstrations through Shaping Huimin Wang author Baolin Peng author Kam-Fai Wong author 2020-07 text Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Dan Jurafsky editor Joyce Chai editor Natalie Schluter editor Joel Tetreault editor Association for Computational Linguistics Online conference publication wang-etal-2020-learning-efficient 10.18653/v1/2020.acl-main.566 https://aclanthology.org/2020.acl-main.566/ 2020-07 6355 6365