@article{wiebe-etal-2004-learning,
    title = "Learning Subjective Language",
    author = "Wiebe, Janyce  and
      Wilson, Theresa  and
      Bruce, Rebecca  and
      Bell, Matthew  and
      Martin, Melanie",
    journal = "Computational Linguistics",
    volume = "30",
    number = "3",
    year = "2004",
    url = "https://preview.aclanthology.org/ingest_wac_2008/J04-3002/",
    doi = "10.1162/0891201041850885",
    pages = "277--308"
}