@inproceedings{wiegand-klakow-2011-prototypical,
    title = "Prototypical Opinion Holders: What We can Learn from Experts and Analysts",
    author = "Wiegand, Michael  and
      Klakow, Dietrich",
    editor = "Mitkov, Ruslan  and
      Angelova, Galia",
    booktitle = "Proceedings of the International Conference Recent Advances in Natural Language Processing 2011",
    month = sep,
    year = "2011",
    address = "Hissar, Bulgaria",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/R11-1039/",
    pages = "282--288"
}