Metadata Schemas for Retrieval Quality (ANSWERED)
Field selection, normalization, ACL tags, temporal fields, and schema evolution without breaking filters.
TL;DR — Quick Answer
Design metadata for filters the product actually uses — tenant, ACL, language, doc type, freshness, source — keeping cardinality manageable. Normalize enums, version schema with migrations, avoid stuffing full text into metadata, and co-design with RAG chunking so filters align with user intents.
The Interview Question
How do you design metadata schemas on vector records to improve retrieval quality and filtering?
Deep Explanation
Purpose of metadata
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MetadataSchemaFilteringRAGNotionGlean