@inproceedings{roark-EtAl:2004:ACL,
  author    = {Roark, Brian  and  Saraclar, Murat  and  Collins, Michael  and  Johnson, Mark},
  title     = {Discriminative Language Modeling with Conditional Random Fields and the Perceptron Algorithm},
  booktitle = {Proceedings of the 42nd Meeting of the Association for Computational Linguistics (ACL'04), Main Volume},
  year      = 2004,
  month     = {July},
  address   = {Barcelona, Spain},
  pages     = {47--54},
  url       = {http://www.aclweb.org/anthology/P04-1007},
  doi       = {10.3115/1218955.1218962}
}