Unsupervised Multi-Granularity Summarization Ming Zhong author Yang Liu author Suyu Ge author Yuning Mao author Yizhu Jiao author Xingxing Zhang author Yichong Xu author Chenguang Zhu author Michael Zeng author Jiawei Han author 2022-12 text Findings of the Association for Computational Linguistics: EMNLP 2022 Yoav Goldberg editor Zornitsa Kozareva editor Yue Zhang editor Association for Computational Linguistics Abu Dhabi, United Arab Emirates conference publication zhong-etal-2022-unsupervised 10.18653/v1/2022.findings-emnlp.366 https://aclanthology.org/2022.findings-emnlp.366/ 2022-12 4980 4995