@InProceedings{danescuniculescumizil-lee:2010:Short,
  author    = {Danescu-Niculescu-Mizil, Cristian  and  Lee, Lillian},
  title     = {Don't `Have a Clue'? Unsupervised Co-Learning of Downward-Entailing Operators.},
  booktitle = {Proceedings of the ACL 2010 Conference Short Papers},
  month     = {July},
  year      = {2010},
  address   = {Uppsala, Sweden},
  publisher = {Association for Computational Linguistics},
  pages     = {247--252},
  url       = {http://www.aclweb.org/anthology/P10-2046}
}