# Metadata Filtering in Vector Search

> Source: https://sukruyusufkaya.com/en/glossary/metadata-filtering-in-vector-search
> Updated: 2026-05-13T21:00:23.807Z
> Type: glossary
> Category: veri-muhendisligi-ve-ai-altyapisi
**TLDR:** An approach that narrows vector similarity results using additional fields such as date, source, user, or category.

<p>Metadata filtering in vector search is critical for retrieving not just similar content, but contextually appropriate content. Results from the same embedding space can be constrained by fields such as date, document type, customer segment, or security level. This capability is especially important in enterprise AI systems for access control, quality, and relevance. Semantic search becomes truly useful only when it is combined with the right contextual filters.</p>