@inproceedings{christensen-etal-2014-hierarchical, title = "Hierarchical Summarization: Scaling Up Multi-Document Summarization", author = "Christensen, Janara and Soderland, Stephen and Bansal, Gagan and Mausam", editor = "Toutanova, Kristina and Wu, Hua", booktitle = "Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)", month = jun, year = "2014", address = "Baltimore, Maryland", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/P14-1085/", doi = "10.3115/v1/P14-1085", pages = "902--912" }