Towards Conversational Recommendation over Multi-Type Dialogs Zeming Liu author Haifeng Wang author Zheng-Yu Niu author Hua Wu author Wanxiang Che author Ting Liu 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 liu-etal-2020-towards-conversational 10.18653/v1/2020.acl-main.98 https://aclanthology.org/2020.acl-main.98/ 2020-07 1036 1049