@InProceedings{smith-vail-lafferty:2007:ACLMain,
  author    = {Smith, Noah A.  and  Vail, Douglas L.  and  Lafferty, John D.},
  title     = {Computationally Efficient M-Estimation of Log-Linear Structure Models},
  booktitle = {Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  pages     = {752--759},
  url       = {http://www.aclweb.org/anthology/P/P07/P07-0095}
}