@inproceedings{davidov-etal-2009-superior,
    title = "Superior and Efficient Fully Unsupervised Pattern-based Concept Acquisition Using an Unsupervised Parser",
    author = "Davidov, Dmitry  and
      Reichart, Roi  and
      Rappoport, Ari",
    editor = "Stevenson, Suzanne  and
      Carreras, Xavier",
    booktitle = "Proceedings of the Thirteenth Conference on Computational Natural Language Learning ({C}o{NLL}-2009)",
    month = jun,
    year = "2009",
    address = "Boulder, Colorado",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-emnlp/W09-1108/",
    pages = "48--56"
}