An Empirical Study on Topic Preservation in Multi-Document Summarization Mong Yuan Sim author Wei Emma Zhang author Congbo Ma author 2022-11 text Proceedings of the 2nd Conference of the Asia-Pacific Chapter of the Association for Computational Linguistics and the 12th International Joint Conference on Natural Language Processing: Student Research Workshop Yan Hanqi editor Yang Zonghan editor Sebastian Ruder editor Wan Xiaojun editor Association for Computational Linguistics Online conference publication sim-etal-2022-empirical 10.18653/v1/2022.aacl-srw.9 https://aclanthology.org/2022.aacl-srw.9/ 2022-11 61 67