@inproceedings{collins-duffy:2002:ACL,
  author    = {Collins, Michael  and  Duffy, Nigel},
  title     = {New Ranking Algorithms for Parsing and Tagging: Kernels over Discrete Structures, and the Voted Perceptron},
  booktitle = {Proceedings of the 40th Annual Meeting of the Association for Computational Linguistics (ACL)},
  year      = 2002,
  pages     = {263--270}
}