Hierarchical Summarization: Scaling Up Multi-Document Summarization Janara Christensen author Stephen Soderland author Gagan Bansal author Mausam author 2014-06 text Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Kristina Toutanova editor Hua Wu editor Association for Computational Linguistics Baltimore, Maryland conference publication christensen-etal-2014-hierarchical 10.3115/v1/P14-1085 https://aclanthology.org/P14-1085/ 2014-06 902 912