@inproceedings{petasis-etal-2001-using,
    title = "Using Machine Learning to Maintain Rule-based Named-Entity Recognition and Classification Systems",
    author = "Petasis, Georgios  and
      Vichot, Frantz  and
      Wolinski, Francis  and
      Paliouras, Georgios  and
      Karkaletsis, Vangelis  and
      Spyropoulos, Constantine D.",
    booktitle = "Proceedings of the 39th Annual Meeting of the Association for Computational Linguistics",
    month = jul,
    year = "2001",
    address = "Toulouse, France",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P01-1055/",
    doi = "10.3115/1073012.1073067",
    pages = "426--433"
}