# metadata

> Browse 3 items tagged with metadata.

## Items

- [Metadata Filtering](https://vectordb.ever.works/items/metadata-filtering) — The capability to filter vector search results based on metadata attributes before or during similarity search. Metadata filtering enables hybrid queries combining semantic search with structured constraints like dates, categories, tags, or user permissions, crucial for production RAG and search applications.
- [Filtered Vector Search](https://vectordb.ever.works/items/filtered-vector-search) — Combining vector similarity search with metadata filtering. Enables queries like find similar documents published after 2023 in category Technology.
- [Filtered Vector Search Guide](https://vectordb.ever.works/items/filtered-vector-search-guide) — Complete guide to metadata filtering in vector search covering pre-filtering, post-filtering, and hybrid approaches. Addresses the Achilles heel of vector search with modern solutions.

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_Canonical page: https://vectordb.ever.works/tags/metadata_