Multi-News: A Large-Scale Multi-Document Summarization Dataset and Abstractive Hierarchical Model Alexander Fabbri author Irene Li author Tianwei She author Suyi Li author Dragomir Radev 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 fabbri-etal-2019-multi 10.18653/v1/P19-1102 https://aclanthology.org/P19-1102/ 2019-07 1074 1084