DialogSum Challenge: Summarizing Real-Life Scenario Dialogues Yulong Chen author Yang Liu author Yue Zhang author 2021-08 text Proceedings of the 14th International Conference on Natural Language Generation Anya Belz editor Angela Fan editor Ehud Reiter editor Yaji Sripada editor Association for Computational Linguistics Aberdeen, Scotland, UK conference publication chen-etal-2021-dialogsum-challenge 10.18653/v1/2021.inlg-1.33 https://aclanthology.org/2021.inlg-1.33/ 2021-08 308 313