@InProceedings{sasano-kawahara-kurohashi:2009:NAACLHLT09,
  author    = {Sasano, Ryohei  and  Kawahara, Daisuke  and  Kurohashi, Sadao},
  title     = {The Effect of Corpus Size on Case Frame Acquisition for Discourse Analysis},
  booktitle = {Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics},
  month     = {June},
  year      = {2009},
  address   = {Boulder, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {521--529},
  url       = {http://www.aclweb.org/anthology/N/N09/N09-1059}
}