Affinity-Preserving Random Walk for Multi-Document Summarization Kexiang Wang author Tianyu Liu author Zhifang Sui author Baobao Chang author 2017-09 text Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing Martha Palmer editor Rebecca Hwa editor Sebastian Riedel editor Association for Computational Linguistics Copenhagen, Denmark conference publication wang-etal-2017-affinity 10.18653/v1/D17-1020 https://aclanthology.org/D17-1020/ 2017-09 210 220