@misc{156891,
  author = {Walter Liggett},
  title = {Query Expansion Seen Through Return Order of Relevant Documents},
  year = {2001},
  month = {2001-10-10},
  publisher = {Query Expansion Seen Through Return Order of Relevant Documents},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=151769},
  language = {en},
}