An evaluation workshop series for measuring the effectiveness of search algorithms and other technologies that help us find information.
TREC is a community of researchers in information retrieval and natural language processing convened by the National Institute of Standards and Technology.
Over more than three decades, TREC has produced dozens of datasets and developed measurement processes and tools for them. You can have it all.
Learn more about TREC, it's history, and how to get involved. TREC data is free and participation is open.
The "TREC Agreement Concerning Dissemination of TREC Results". TREC results are not for advertising.
Register to participate in TREC 2026.
Runs? Topics? Guidelines? How do I even get started?
We don't do that in TREC. You can read our full statement on product testing.
TREC is organized by the Retrieval Group, part of the Information Access Division, Information Technology Lab, National Institute of Standards and Technology.
