@inproceedings{xu-etal-2011-passage,
    title = "Passage Retrieval for Information Extraction using Distant Supervision",
    author = "Xu, Wei  and
      Grishman, Ralph  and
      Zhao, Le",
    editor = "Wang, Haifeng  and
      Yarowsky, David",
    booktitle = "Proceedings of 5th International Joint Conference on Natural Language Processing",
    month = nov,
    year = "2011",
    address = "Chiang Mai, Thailand",
    publisher = "Asian Federation of Natural Language Processing",
    url = "https://preview.aclanthology.org/fix-sig-urls/I11-1117/",
    pages = "1046--1054"
}