Multi-document Summarization with Maximal Marginal Relevance-guided Reinforcement Learning Yuning Mao author Yanru Qu author Yiqing Xie author Xiang Ren author Jiawei Han 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 mao-etal-2020-multi 10.18653/v1/2020.emnlp-main.136 https://aclanthology.org/2020.emnlp-main.136/ 2020-11 1737 1751