@inproceedings{berend-2011-opinion,
    title = "Opinion Expression Mining by Exploiting Keyphrase Extraction",
    author = "Berend, G{\'a}bor",
    editor = "Wang, Haifeng  and
      Yarowsky, David",
    booktitle = "Proceedings of 5th International Joint Conference on Natural Language Processing",
    month = nov,
    year = "2011",
    address = "Chiang Mai, Thailand",
    publisher = "Asian Federation of Natural Language Processing",
    url = "https://aclanthology.org/I11-1130/",
    pages = "1162--1170"
}