Leveraging Graph to Improve Abstractive Multi-Document Summarization Wei Li author Xinyan Xiao author Jiachen Liu author Hua Wu author Haifeng Wang author Junping Du author 2020-07 text Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Dan Jurafsky editor Joyce Chai editor Natalie Schluter editor Joel Tetreault editor Association for Computational Linguistics Online conference publication li-etal-2020-leveraging-graph 10.18653/v1/2020.acl-main.555 https://aclanthology.org/2020.acl-main.555/ 2020-07 6232 6243