@article{clark-weir-2002-class,
    title = "Class-Based Probability Estimation Using a Semantic Hierarchy",
    author = "Clark, Stephen  and
      Weir, David",
    journal = "Computational Linguistics",
    volume = "28",
    number = "2",
    year = "2002",
    address = "Cambridge, MA",
    publisher = "MIT Press",
    url = "https://preview.aclanthology.org/fix-sig-urls/J02-2003/",
    doi = "10.1162/089120102760173643",
    pages = "187--206"
}