Multi-Document Summarization with Centroid-Based Pretraining Ratish Surendran Puduppully author Parag Jain author Nancy Chen author Mark Steedman author 2023-07 text Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication puduppully-etal-2023-multi 10.18653/v1/2023.acl-short.13 https://aclanthology.org/2023.acl-short.13/ 2023-07 128 138