@InProceedings{das-smith:2009:ACLIJCNLP,
  author    = {Das, Dipanjan  and  Smith, Noah A.},
  title     = {Paraphrase Identification as Probabilistic Quasi-Synchronous Recognition},
  booktitle = {Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Conference on Natural Language Processing of the AFNLP},
  month     = {August},
  year      = {2009},
  address   = {Suntec, Singapore},
  publisher = {Association for Computational Linguistics},
  pages     = {468--476},
  url       = {http://www.aclweb.org/anthology/P/P09/P09-1053}
}