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

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    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

    You can sign up to participate in TREC 2025!

  • a Yin-Yang icon

    How To TREC

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

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    Product Testing

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

What's new?

  • May 15 Track guidelines are going live!
    Adhoc Video Search: searching for internet video
    DRAGUN: generating questions about news articles
    RAGTIME: cross-language RAG
    Tip of the Tongue: find that thing you can't quite remember
  • Feb 1 Registration for TREC 2025 is open! Read the call for participation and sign up!
  • Nov 18 TREC Conference, Gaithersburg, MD
    You must participate and register for the conference to attend!