@misc{207201,
  author = {Ellen Voorhees},
  title = {Overview of the TREC 2002 Question Answering Track},
  year = {2003},
  month = {2003-04-01},
  publisher = {Other, National Institute of Standards and Technology, Gaithersburg, MD},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50780},
  language = {en},
}