The Ninth Text REtrieval Conference (TREC-9) :#bInformation technology  cE. M. Vorchees and D.K. Harman, editors.
Text REtrieval Conference#n(9th :#d2001 :#cGaitersburg, MD.),
Voorhees, E. M.
Harman, D. K.#q(Donna K.)
National Institute of Standards and Technology (U.S.).
Githersburg, MD :#bU.S. Department of Commerce, Technology Administration, National Institute of Standards and Technology,#c[2001].
"October 2001."
Includes bibliographical references.
Text processing (Computer sciences)#vCongresses.