@inproceedings{hovy-etal-2009-toward,
    title = "Toward Completeness in Concept Extraction and Classification",
    author = "Hovy, Eduard  and
      Kozareva, Zornitsa  and
      Riloff, Ellen",
    editor = "Koehn, Philipp  and
      Mihalcea, Rada",
    booktitle = "Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing",
    month = aug,
    year = "2009",
    address = "Singapore",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/D09-1099/",
    pages = "948--957"
}