@inproceedings{choi-etal-2005-identifying,
    title = "Identifying Sources of Opinions with Conditional Random Fields and Extraction Patterns",
    author = "Choi, Yejin  and
      Cardie, Claire  and
      Riloff, Ellen  and
      Patwardhan, Siddharth",
    editor = "Mooney, Raymond  and
      Brew, Chris  and
      Chien, Lee-Feng  and
      Kirchhoff, Katrin",
    booktitle = "Proceedings of Human Language Technology Conference and Conference on Empirical Methods in Natural Language Processing",
    month = oct,
    year = "2005",
    address = "Vancouver, British Columbia, Canada",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/H05-1045/",
    pages = "355--362"
}