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Data Quality

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Accuracy evaluation

Independent evaluation against live LinkedIn data (3,600 profiles sampled): Profile accuracy breakdown:

• 76% exact match (same person, same company, same title)
• 6% same company, different title
• 5% different company (person changed jobs)
• 8% we have company data but LinkedIn API doesn’t return it
• 3% LinkedIn returns 404 (profile deleted/deactivated)