@InProceedings{okanohara-EtAl:2006:COLACL,
  author    = {Okanohara, Daisuke  and  Miyao, Yusuke  and  Tsuruoka, Yoshimasa  and  Tsujii, Jun'ichi},
  title     = {Improving the Scalability of Semi-Markov Conditional Random Fields for Named Entity Recognition},
  booktitle = {Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the Association for Computational Linguistics},
  month     = {July},
  year      = {2006},
  address   = {Sydney, Australia},
  publisher = {Association for Computational Linguistics},
  pages     = {465--472},
  url       = {http://www.aclweb.org/anthology/P06-1059},
  doi       = {10.3115/1220175.1220234}
}