@inproceedings{rud-etal-2011-piggyback,
    title = "{P}iggyback: Using Search Engines for Robust Cross-Domain Named Entity Recognition",
    author = {R{\"u}d, Stefan  and
      Ciaramita, Massimiliano  and
      M{\"u}ller, Jens  and
      Sch{\"u}tze, Hinrich},
    editor = "Lin, Dekang  and
      Matsumoto, Yuji  and
      Mihalcea, Rada",
    booktitle = "Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies",
    month = jun,
    year = "2011",
    address = "Portland, Oregon, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/P11-1097/",
    pages = "965--975"
}