@InProceedings{nobata-sekine-tsujii:2000:ACL,
  author    = {Chikashi Nobata  and  Satoshi Sekine  and  Jun'ichi Tsujii},
  title     = {Difficulty Indices for the Named Entity Task in Japanese},
  booktitle = {Proceedings of the 38th Annual Meeting of the Association for Computational Linguistics},
  month     = {October},
  year      = {2000},
  address   = {Hong Kong},
  publisher = {Association for Computational Linguistics},
  pages     = {344--351},
  url       = {http://www.aclweb.org/anthology/P00-1044},
  doi       = {10.3115/1075218.1075262}
}