@inproceedings{xiao-etal-2022-primera, title = "{PRIMERA}: Pyramid-based Masked Sentence Pre-training for Multi-document Summarization", author = "Xiao, Wen and Beltagy, Iz and Carenini, Giuseppe and Cohan, Arman", editor = "Muresan, Smaranda and Nakov, Preslav and Villavicencio, Aline", booktitle = "Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)", month = may, year = "2022", address = "Dublin, Ireland", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/2022.acl-long.360/", doi = "10.18653/v1/2022.acl-long.360", pages = "5245--5263" }