Sentence Centrality Revisited for Unsupervised Summarization Hao Zheng author Mirella Lapata author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics Anna Korhonen editor David Traum editor Lluís Màrquez editor Association for Computational Linguistics Florence, Italy conference publication zheng-lapata-2019-sentence 10.18653/v1/P19-1628 https://aclanthology.org/P19-1628/ 2019-07 6236 6247