@inproceedings{veeravalli-varma-2009-passage,
    title = "Passage Retrieval Using Answer Type Profiles in Question Answering",
    author = "Veeravalli, Surya Ganesh  and
      Varma, Vasudeva",
    editor = "Kwong, Olivia",
    booktitle = "Proceedings of the 23rd Pacific Asia Conference on Language, Information and Computation, Volume 2",
    month = dec,
    year = "2009",
    address = "Hong Kong",
    publisher = "City University of Hong Kong",
    url = "https://preview.aclanthology.org/fix-sig-urls/Y09-2014/",
    pages = "559--568"
}