@inproceedings{gimpel-12b,
  author    = {Gimpel, K.  and  Smith, N. A.},
  title     = {Concavity and Initialization for Unsupervised Dependency Parsing},
  booktitle = {Proc. of NAACL},
  year      = {2012}
}

@InProceedings{gimpel-smith:2012:NAACL-HLT2,
  author    = {Gimpel, Kevin  and  Smith, Noah A.},
  title     = {Concavity and Initialization for Unsupervised Dependency Parsing},
  booktitle = {Proceedings of the 2012 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies},
  month     = {June},
  year      = {2012},
  address   = {Montr\'{e}al, Canada},
  publisher = {Association for Computational Linguistics},
  pages     = {577--581},
  url       = {http://www.aclweb.org/anthology/N12-1069}
}