Encoding Your Domain Expert: The Context Layer Behind Spotify's Data Assistant

Spotify built an AI-powered data assistant leveraging domain expert curation to reliably answer questions about 70,000+ datasets.

• •The system uses a "cluster" model where experts curate datasets, question-SQL pairs, and business documentation
• •Only 12.5% of auto-generated query examples were accepted by experts, highlighting the importance of human review
• •Health scores monitor cluster quality by tracking schema changes, example validity, and context coverage
• •The assistant integrates ReAct reasoning loops with Slack, IDEs, and a web UI
• •All conversations feed back to improve future answers and scale data scientist expertise across the organization

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