@inproceedings{nenkova-louis-2008-summarize,
    title = "Can You Summarize This? Identifying Correlates of Input Difficulty for Multi-Document Summarization",
    author = "Nenkova, Ani  and
      Louis, Annie",
    editor = "Moore, Johanna D.  and
      Teufel, Simone  and
      Allan, James  and
      Furui, Sadaoki",
    booktitle = "Proceedings of ACL-08: HLT",
    month = jun,
    year = "2008",
    address = "Columbus, Ohio",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P08-1094/",
    pages = "825--833"
}