bibtex

{ @inproceedings{sekine-etal-2002-extended,
    title = "Extended Named Entity Hierarchy",
    author = "Sekine, Satoshi  and
      Sudo, Kiyoshi  and
      Nobata, Chikashi",
    booktitle = "Proceedings of the Third International Conference on Language Resources and Evaluation ({LREC}{'}02)",
    month = may,
    year = "2002",
    address = "Las Palmas, Canary Islands - Spain",
    publisher = "European Language Resources Association (ELRA)",
    url = "http://www.lrec-conf.org/proceedings/lrec2002/pdf/120.pdf",
}