@InProceedings{collins:2011:IWPT,
  author    = {Collins, Michael},
  title     = {Lagrangian Relaxation for Inference in Natural Language Processing},
  booktitle = {Proceedings of the 12th International Conference on Parsing Technologies},
  month     = {October},
  year      = {2011},
  address   = {Dublin, Ireland},
  publisher = {Association for Computational Linguistics},
  pages     = {150},
  url       = {http://www.aclweb.org/anthology/W11-2918}
}