@InProceedings{das-smith:2012:NAACL-HLT,
  author    = {Das, Dipanjan  and  Smith, Noah A.},
  title     = {Graph-Based Lexicon Expansion with Sparsity-Inducing Penalties},
  booktitle = {Proceedings of the 2012 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies},
  month     = {June},
  year      = {2012},
  address   = {Montr\'{e}al, Canada},
  publisher = {Association for Computational Linguistics},
  pages     = {677--687},
  url       = {http://www.aclweb.org/anthology/N12-1086}
}