Information technology
Subtitle: the Ninth Text REtrieval Conference (Trec-9)
By: E.M. Voorshees and D.K. Harman, editors
Contributors: Voorhees, E.; Harman, D. K. (Donna K.); National Institute of Standards and Technology (U.S.)
Series: NIST special publication -- 500-249
Publisher: U.S. Department of Commerce
Published: 2001
Place of publication: Gaithersburg, MD
Language: eng
Number of pages: 683
Subjects: Text processing (Computer science); Congresses
Notes: "October 2001."

Includes bibliographical references.