@InProceedings{li-liu-ji:2014:P14-2,
  author    = {Li, Hao  and  Liu, Wei  and  Ji, Heng},
  title     = {Two-Stage Hashing for Fast Document Retrieval},
  booktitle = {Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)},
  month     = {June},
  year      = {2014},
  address   = {Baltimore, Maryland},
  publisher = {Association for Computational Linguistics},
  pages     = {495--500},
  url       = {http://www.aclweb.org/anthology/P14-2081}
}