RepSum: Unsupervised Dialogue Summarization based on Replacement Strategy Xiyan Fu author Yating Zhang author Tianyi Wang author Xiaozhong Liu author Changlong Sun author Zhenglu Yang author 2021-08 text Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers) Chengqing Zong editor Fei Xia editor Wenjie Li editor Roberto Navigli editor Association for Computational Linguistics Online conference publication fu-etal-2021-repsum 10.18653/v1/2021.acl-long.471 https://aclanthology.org/2021.acl-long.471/ 2021-08 6042 6051