@inproceedings{wilson-etal-2003-identifying,
    title = "Identifying Opinionated Sentences",
    author = "Wilson, Theresa  and
      Pierce, David R.  and
      Wiebe, Janyce",
    booktitle = "Companion Volume of the Proceedings of {HLT}-{NAACL} 2003 - Demonstrations",
    year = "2003",
    url = "https://preview.aclanthology.org/fix-sig-urls/N03-4017/",
    pages = "33--34"
}