# Graph-based metadata filtering for improving vector search in RAG applications

**URL:** <https://community.neo4j.com/t/graph-based-metadata-filtering-for-improving-vector-search-in-rag-applications/67594>\
**Category:** Community Content & Blogs\
**Tags:** genai\
**Created:** [April 25, 2024, 4:11pm UTC](https://community.neo4j.com/t/graph-based-metadata-filtering-for-improving-vector-search-in-rag-applications/67594 "2024-04-25T16:11:08Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![bratanic\_tomaz](https://sea1.discourse-cdn.com/flex021/user_avatar/community.neo4j.com/bratanic_tomaz/32/26823_2.png) [@bratanic\_tomaz](https://community.neo4j.com/u/bratanic_tomaz)\
**Post date:** [April 25, 2024, 4:11pm UTC](https://community.neo4j.com/t/graph-based-metadata-filtering-for-improving-vector-search-in-rag-applications/67594/1 "2024-04-25T16:11:08Z")

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> **[Graph-based metadata filtering for improving vector search in RAG applications](https://blog.langchain.dev/graph-based-metadata-filtering-for-improving-vector-search-in-rag-applications/)**
>
> Optimizing vector retrieval with advanced graph-based metadata techniques using LangChain and Neo4j
> 
> Editor's Note: the following is a guest blog post from Tomaz Bratanic, who focuses on Graph ML and GenAI research at Neo4j. Neo4j is a...