@InProceedings{Petrov-Klein:2008:Discriminative,
  title     = {Discriminative Log-Linear Grammars with Latent Variables},
  author    = {Slav Petrov and Dan Klein},
  booktitle = {Advances in Neural Information Processing Systems 20 (NIPS)},
  editor    = {J.C. Platt and D. Koller and Y. Singer and S. Roweis},
  year      = {2008},
  publisher = {MIT Press},
  address   = {Cambridge, MA},
  pages     = {1153--1160},
  url       = {http://books.nips.cc/papers/files/nips20/NIPS2007:0630.pdf},
}