@misc{206566,
  author = {Ellen Voorhees},
  title = {Overview of the TREC 2001 Question Answering Track},
  year = {2001},
  month = {2001-11-26},
  publisher = {Overview of the TREC 2001 Question Answering Track},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=151549},
  language = {en},
}