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.
The TREC 2026 participation period has ended. Stay tuned for TREC 2027, kicking off in early 2027.
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 Conference: November 16-18, 2026.
TREC is organized by the Multimodal Language Technology Group, part of the Technology Test and Evaluation Division, Information Technology Lab, National Institute of Standards and Technology.
