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Relevance 8/10Operations and WorkflowIntermediate5 min read

Active Learning

Active learning selects uncertain samples for annotation to improve model learning efficiency.

Why it matters for annotators

It concentrates annotator effort on high-information examples.

Visual mental model

Model uncertainty -> sample selection -> annotation -> retrain.

Examples (bad vs good)

Scenario: Real annotation scenario involving Active Learning

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.