---
title: "Graph-based metadata filtering for improving vector search in RAG applications"
url: https://daily.dev/posts/graph-based-metadata-filtering-for-improving-vector-search-in-rag-applications-c6cmxmugu
source_url: https://blog.langchain.dev/graph-based-metadata-filtering-for-improving-vector-search-in-rag-applications/
type: article
source: "LangChain"
published: 2024-04-25T15:34:11.554Z
updated: 2024-05-09T09:23:16.455Z
tags: ["langchain", "neo4j", "vector-search"]
reading_time: 10
upvotes: 7
comments: 0
language: en
---

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

**[LangChain](https://daily.dev/sources/langchain)** · 10 min read · 7 upvotes · 0 comments

## Summary

The post discusses how graph-based metadata filtering can enhance vector search in RAG applications. It explains the process of metadata filtering and introduces LangChain support for metadata filtering in Neo4j.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://blog.langchain.dev/graph-based-metadata-filtering-for-improving-vector-search-in-rag-applications/>

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---

Tags: [#langchain](https://daily.dev/tags/langchain), [#neo4j](https://daily.dev/tags/neo4j), [#vector-search](https://daily.dev/tags/vector-search)

[View this post on daily.dev](https://daily.dev/posts/graph-based-metadata-filtering-for-improving-vector-search-in-rag-applications-c6cmxmugu)