@inproceedings{okanohara-etal-2006-improving,
    title = "Improving the Scalability of Semi-{M}arkov Conditional Random Fields for Named Entity Recognition",
    author = "Okanohara, Daisuke  and
      Miyao, Yusuke  and
      Tsuruoka, Yoshimasa  and
      Tsujii, Jun{'}ichi",
    editor = "Calzolari, Nicoletta  and
      Cardie, Claire  and
      Isabelle, Pierre",
    booktitle = "Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the Association for Computational Linguistics",
    month = jul,
    year = "2006",
    address = "Sydney, Australia",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P06-1059/",
    doi = "10.3115/1220175.1220234",
    pages = "465--472"
}