Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Overview of the TREC 2003 Question Answering Track



Ellen M. Voorhees


The TREC 2003 question answering track contained two tasks, the passages task and the main task. In the passages task, systems returned a single text snippet in response to factoid questions; the evaluation metric was the number of snippets that contained a correct answer. The main task contained three separate


question answering, TREC


Voorhees, E. (2004), Overview of the TREC 2003 Question Answering Track, Other, National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed May 22, 2024)


If you have any questions about this publication or are having problems accessing it, please contact

Created March 1, 2004, Updated November 8, 2016