@inproceedings{greenwood-stevenson-2006-improving,
    title = "Improving Semi-supervised Acquisition of Relation Extraction Patterns",
    author = "Greenwood, Mark A.  and
      Stevenson, Mark",
    editor = "Califf, Mary Elaine  and
      Greenwood, Mark A.  and
      Stevenson, Mark  and
      Yangarber, Roman",
    booktitle = "Proceedings of the Workshop on Information Extraction Beyond The Document",
    month = jul,
    year = "2006",
    address = "Sydney, Australia",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-emnlp/W06-0204/",
    pages = "29--35"
}