Subtopic-driven Multi-Document Summarization Xin Zheng author Aixin Sun author Jing Li author Karthik Muthuswamy author 2019-11 text Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP) Kentaro Inui editor Jing Jiang editor Vincent Ng editor Xiaojun Wan editor Association for Computational Linguistics Hong Kong, China conference publication zheng-etal-2019-subtopic 10.18653/v1/D19-1311 https://aclanthology.org/D19-1311/ 2019-11 3153 3162