Stratum

Definition

What is expert data annotation

Expert data annotation is the labeling, scoring, or authoring of AI data by people who can apply a professional standard. It is used when an incorrect answer could look plausible to a general reviewer but obvious to a practitioner.

What is expert data annotation?

Expert data annotation is the labeling, scoring, or authoring of AI data by people who can apply a professional standard. It is used when an incorrect answer could look plausible to a general reviewer but obvious to a practitioner.

Why it matters

Fluent mistakes in training or evaluation data teach the model the wrong standard, or hide the failure during measurement.

Example

A clinician labels whether a care-navigation answer omitted a contraindication, not whether the paragraph sounded careful.

When it is used

The product claims competence in a licensed or highly trained field, or the item would fail a professional review meeting.

Common mistakes

  • Calling any remote labeling “expert annotation”
  • Skipping qualification on the actual artifacts
  • Paying Level 1 rates for Level 3 judgment

What kind of experts do you need?

Share the profession, specialty, experience, location, headcount, hours, duration, and project description. We assemble the expert capacity.

  • Need 25 licensed nurses for a clinical AI evaluation
  • Need 15 attorneys in a specific practice area
  • Need 20 PhD scientists for benchmark creation
  • Need 30 senior software engineers for code evaluation