@inproceedings{chen-etal-2005-unsupervised,
    title = "Unsupervised Feature Selection for Relation Extraction",
    author = "Chen, Jinxiu  and
      Ji, Donghong  and
      Tan, Chew Lim  and
      Niu, Zhengyu",
    booktitle = "Companion Volume to the Proceedings of Conference including Posters/Demos and tutorial abstracts",
    year = "2005",
    url = "https://preview.aclanthology.org/ingest_wac_2008/I05-2045/"
}