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Relevance 9/10Prompting and EvaluationIntermediate6 min read

Fact-Checking for LLM Evaluation

Fact-checking verifies whether model claims are supported by trusted context or references.

Why it matters for annotators

Factuality is a primary KPI in many production LLM systems.

Visual mental model

Claim -> verify source -> supported/unsupported/uncertain.

Examples (bad vs good)

Scenario: Real annotation scenario involving Fact-Checking for LLM Evaluation

Bad: Labeling quickly without applying project rubric.

Good: Applying rubric criteria, documenting rationale, and escalating uncertainty.

Common mistakes

  • Skipping guideline details for edge cases.
  • Applying inconsistent criteria across similar samples.
  • Avoiding escalation even when uncertain.

Submission checklist

  • Read the latest guideline update before each batch.
  • Apply rubric dimensions explicitly in each decision.
  • Escalate ambiguous items with concise rationale.