@inproceedings{carlson-etal-1993-corpora-data,
    title = "Corpora and Data Preparation for Information Extraction",
    author = "Carlson, Lynn  and
      Onyshkevych, Boyan  and
      Okurowski, Mary Ellen",
    booktitle = "TIPSTER TEXT PROGRAM: PHASE {I}: Proceedings of a Workshop held at Fredricksburg, Virginia, September 19-23, 1993",
    month = sep,
    year = "1993",
    address = "Fredericksburg, Virginia, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/X93-1014/",
    doi = "10.3115/1119149.1119166",
    pages = "135--139"
}