@article{van-halteren-etal-2001-improving,
    title = "Improving Accuracy in word class tagging through the Combination of Machine Learning Systems",
    author = "Van Halteren, Hans  and
      Zavrel, Jakub  and
      Daelemans, Walter",
    journal = "Computational Linguistics",
    volume = "27",
    number = "2",
    year = "2001",
    address = "Cambridge, MA",
    publisher = "MIT Press",
    url = "https://aclanthology.org/J01-2002",
    pages = "199--229",
}