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The Ninth Text REtrieval Conference (TREC-9)



Ellen M. Voorhees, Donna K. Harman


This paper provides an overview of the ninth Text REtrieval Conference (TREC-9) held in Gaithersburg, Maryland, November 13-16, 2000. TREC-9 is the latest in a series of workshops designed to foster research in text retrieval. This year's conference consisted fo different seven tasks, including a task on question answering and a tesk on web searching. The paper describes the basics of how TREC is orgainized, summarizes the main results of each of the TREC-9 tasks, and reports on initial plans for TREC 2001.
Special Publication (NIST SP) - 500-249
Report Number


information retrieval, search engines, text retrieval, TREC


Voorhees, E. and Harman, D. (2001), The Ninth Text REtrieval Conference (TREC-9), Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed July 13, 2024)


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Created October 1, 2001, Updated November 10, 2018