@inproceedings{collins:2002:EMNLP-2002,
  author    = {Collins, Michael},
  title     = {Discriminative Training Methods for Hidden Markov Models: Theory and Experiments   with Perceptron Algorithms},
  booktitle = {Proceedings of the Conference on Empirical Methods in Natural Language Processing (EMNLP)},
  year      = 2002,
  month     = {July},
  address   = {Philadelphia},
  publisher = {Association for Computational Linguistics},
  pages     = {1--8}
}