@InProceedings{liang-klein:2008:ACLMain,
  author    = {Liang, Percy  and  Klein, Dan},
  title     = {Analyzing the Errors of Unsupervised Learning},
  booktitle = {Proceedings of ACL-08: HLT},
  month     = {June},
  year      = {2008},
  address   = {Columbus, Ohio},
  publisher = {Association for Computational Linguistics},
  pages     = {879--887},
  url       = {http://www.aclweb.org/anthology/P/P08/P08-1100}
}