@inproceedings{hatzivassiloglou-wiebe-2000-effects,
    title = "Effects of Adjective Orientation and Gradability on Sentence Subjectivity",
    author = "Hatzivassiloglou, Vasileios  and
      Wiebe, Janyce M.",
    booktitle = "{COLING} 2000 Volume 1: The 18th International Conference on Computational Linguistics",
    year = "2000",
    url = "https://preview.aclanthology.org/fix-sig-urls/C00-1044/"
}