@InProceedings{collins-duffy:2002:ACL,
  author    = {Michael Collins  and  Nigel Duffy},
  title     = {New Ranking Algorithms for Parsing and Tagging: Kernels over Discrete Structures, and the Voted Perceptron},
  booktitle = {Proceedings of 40th Annual Meeting of the Association for Computational Linguistics},
  month     = {July},
  year      = {2002},
  address   = {Philadelphia, Pennsylvania, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {263--270},
  url       = {http://www.aclweb.org/anthology/P02-1034},
  doi       = {10.3115/1073083.1073128}
}