@InProceedings{Haghighi-DeNero-Klein:2007:FactoredAstar,
  title     = {Approximate Factoring for A* Search},
  author    = {Aria Haghighi and John DeNero and Dan Klein},
  booktitle = {Proceedings of HLT-NAACL},
  year      = {2007},
  month     = {April},
  address   = {Rochester, New York},
  publisher = {Association for Computational Linguistics},
  pages     = {412--419},
  url       = {http://www.aclweb.org/anthology/N/N07/N07-1052},
}