@inproceedings{van-halteren-etal-1998-improving-data,
    title = "Improving Data Driven Wordclass Tagging by System Combination",
    author = "van Halteren, Hans  and
      Zavrel, Jakub  and
      Daelemans, Walter",
    booktitle = "36th Annual Meeting of the Association for Computational Linguistics and 17th International Conference on Computational Linguistics, Volume 1",
    month = aug,
    year = "1998",
    address = "Montreal, Quebec, Canada",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/P98-1081/",
    doi = "10.3115/980845.980928",
    pages = "491--497"
}