@inproceedings{fujii-etal-2004-test,
    title = "Test Collections for Patent-to-Patent Retrieval and Patent Map Generation in {NTCIR}-4 Workshop",
    author = "Fujii, Atsushi  and
      Iwayama, Makoto  and
      Kando, Noriko",
    editor = "Lino, Maria Teresa  and
      Xavier, Maria Francisca  and
      Ferreira, F{\'a}tima  and
      Costa, Rute  and
      Silva, Raquel",
    booktitle = "Proceedings of the Fourth International Conference on Language Resources and Evaluation ({LREC}`04)",
    month = may,
    year = "2004",
    address = "Lisbon, Portugal",
    publisher = "European Language Resources Association (ELRA)",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/L04-1321/"
}