What is TREC?

An evaluation workshop series for measuring the effectiveness of search algorithms and other technologies that help us find information.

Who is TREC?

TREC is a community of researchers in information retrieval and natural language processing convened by the National Institute of Standards and Technology.

TREC has data.

Over more than three decades, TREC has produced dozens of datasets and developed measurement processes and tools for them. You can have it all.

More information

  • an umbrella icon

    Overview

    Learn more about TREC, it's history, and how to get involved. TREC data is free and participation is open.

  • a bullhorn icon

    Call for participation

    Registration for TREC 2026 opens in January

  • a Yin-Yang icon

    How To TREC

    Runs? Topics? Guidelines? How do I even get started?

  • A thermometer icon

    Product Testing

    We don't do that in TREC. You can read our full statement on product testing.