@InProceedings{liang-EtAl:2007:EMNLP-CoNLL2007,
  author    = {Liang, Percy  and  Petrov, Slav  and  Jordan, Michael  and  Klein, Dan},
  title     = {The Infinite {PCFG} Using Hierarchical {Dirichlet} Processes},
  booktitle = {Proceedings of the 2007 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP-CoNLL)},
  pages     = {688--697},
  url       = {http://www.aclweb.org/anthology/D/D07/D07-1072}
}