Purpose
Systematically verify factual claims using evidence retrieval, source evaluation, and logical reasoning.
Key Datasets
- PolitiFact (Jinyan1/PolitiFact): Political statements rated on 6-level truth scale (True, Mostly True, Half True, Mostly False, False, Pants on Fire)
- Climate-FEVER (tdiggelm/climate_fever): Climate claims labeled SUPPORTS/REFUTES/NOT_ENOUGH_INFO with evidence sentences
Protocol
- Claim decomposition — Break complex claims into atomic verifiable statements
- Evidence retrieval — Search authoritative sources for each sub-claim
- Source evaluation — Assess source credibility and potential bias
- Evidence-claim alignment — Determine if evidence supports, refutes, or is insufficient
- Verdict synthesis — Aggregate sub-verdicts into overall assessment
Verification Categories