@InProceedings{davidov-reichart-rappoport:2009:CoNLL,
  author    = {Davidov, Dmitry  and  Reichart, Roi  and  Rappoport, Ari},
  title     = {Superior and Efficient Fully Unsupervised Pattern-based Concept Acquisition Using an Unsupervised Parser},
  booktitle = {Proceedings of the Thirteenth Conference on Computational Natural Language Learning (CoNLL-2009)},
  month     = {June},
  year      = {2009},
  address   = {Boulder, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {48--56},
  url       = {http://www.aclweb.org/anthology/W/W09/W09-1108}
}