@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/ingest_wac_2008/P14-1085/",
    doi = "10.3115/v1/P14-1085",
    pages = "902--912"
}