What is data labeling in AWS SageMaker?

Updated May 5, 2026

Short answer

It is the process of tagging data for supervised learning using SageMaker Ground Truth.

Deep explanation

SageMaker Ground Truth helps create labeled datasets using human or automated labeling workflows, improving model accuracy.

Real-world example

Used in image classification datasets.

Common mistakes

  • Skipping labeling quality checks.

Follow-up questions

  • Why labeling is important?
  • Can labeling be automated?

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