SummaReranker: A Multi-Task Mixture-of-Experts Re-ranking Framework for Abstractive Summarization Mathieu Ravaut author Shafiq Joty author Nancy Chen author 2022-05 text Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Smaranda Muresan editor Preslav Nakov editor Aline Villavicencio editor Association for Computational Linguistics Dublin, Ireland conference publication ravaut-etal-2022-summareranker 10.18653/v1/2022.acl-long.309 https://aclanthology.org/2022.acl-long.309/ 2022-05 4504 4524