@inproceedings{johnson-etal-1999-estimators,
    title = "Estimators for Stochastic {\textquotedblleft}Unification-Based{\textquotedblright} Grammars",
    author = "Johnson, Mark  and
      Geman, Stuart  and
      Canon, Stephen  and
      Chi, Zhiyi  and
      Riezler, Stefan",
    booktitle = "Proceedings of the 37th Annual Meeting of the Association for Computational Linguistics",
    month = jun,
    year = "1999",
    address = "College Park, Maryland, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/Add-Cong-Liu-Florida-Atlantic-University-author-id/P99-1069/",
    doi = "10.3115/1034678.1034758",
    pages = "535--541"
}