@inproceedings{jiao-etal-2006-semi,
    title = "Semi-Supervised Conditional Random Fields for Improved Sequence Segmentation and Labeling",
    author = "Jiao, Feng  and
      Wang, Shaojun  and
      Lee, Chi-Hoon  and
      Greiner, Russell  and
      Schuurmans, Dale",
    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/jlcl-multiple-ingestion/P06-1027/",
    doi = "10.3115/1220175.1220202",
    pages = "209--216"
}