GUMSum: Multi-Genre Data and Evaluation for English Abstractive Summarization Yang Janet Liu author Amir Zeldes author 2023-07 text Findings of the Association for Computational Linguistics: ACL 2023 Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication liu-zeldes-2023-gumsum 10.18653/v1/2023.findings-acl.593 https://aclanthology.org/2023.findings-acl.593/ 2023-07 9315 9327