The World is Not Binary: Learning to Rank with Grayscale Data for Dialogue Response Selection Zibo Lin author Deng Cai author Yan Wang author Xiaojiang Liu author Haitao Zheng author Shuming Shi author 2020-11 text Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) Bonnie Webber editor Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication lin-etal-2020-world 10.18653/v1/2020.emnlp-main.741 https://aclanthology.org/2020.emnlp-main.741/ 2020-11 9220 9229