@inproceedings{eisner-2000-easy,
    title = "Easy and Hard Constraint Ranking in {OT}: Algorithms and Complexity",
    author = "Eisner, Jason",
    editor = "Eisner, Jason  and
      Karttunen, Lauri  and
      Th{\`e}riault, Alain",
    booktitle = "Proceedings of the Fifth Workshop of the {ACL} Special Interest Group in Computational Phonology",
    month = aug,
    year = "2000",
    address = "Centre Universitaire, Luxembourg",
    publisher = "International Committee on Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W00-1803/",
    pages = "22--33"
}