@misc{155076,
  author = {Ellen Voorhees and Donna Harman},
  title = {The Seventh Text REtrieval Conference (TREC-7)},
  year = {1999},
  month = {1999-07-01},
  publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}