@inproceedings{derczynski-etal-2008-data,
    title = "A Data Driven Approach to Query Expansion in Question Answering",
    author = "Derczynski, Leon  and
      Wang, Jun  and
      Gaizauskas, Robert  and
      Greenwood, Mark A.",
    editor = "Greenwood, Mark A.",
    booktitle = "Coling 2008: Proceedings of the 2nd workshop on Information Retrieval for Question Answering",
    month = aug,
    year = "2008",
    address = "Manchester, UK",
    publisher = "Coling 2008 Organizing Committee",
    url = "https://preview.aclanthology.org/fix-sig-urls/W08-1805/",
    pages = "34--41"
}