@InProceedings{nenkova-louis:2008:ACLMain,
  author    = {Nenkova, Ani  and  Louis, Annie},
  title     = {Can You Summarize This? Identifying Correlates of Input Difficulty for Multi-Document Summarization},
  booktitle = {Proceedings of ACL-08: HLT},
  month     = {June},
  year      = {2008},
  address   = {Columbus, Ohio},
  publisher = {Association for Computational Linguistics},
  pages     = {825--833},
  url       = {http://www.aclweb.org/anthology/P/P08/P08-1094}
}