--- title: Graph-based metadata filtering for improving vector... description: The post discusses how graph-based metadata filtering can enhance vector search in RAG applications. It explains the process of metadata filtering and... canonical: https://daily.dev/posts/graph-based-metadata-filtering-for-improving-vector-search-in-rag-applications-c6cmxmugu twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Graph-based metadata filtering for improving vector search in RAG applications | daily.dev og:description: The post discusses how graph-based metadata filtering can enhance vector search in RAG applications. It explains the process of metadata filtering and... og:url: https://daily.dev/posts/graph-based-metadata-filtering-for-improving-vector-search-in-rag-applications-c6cmxmugu og:image: https://api.daily.dev/og/posts/C6CMxmUGU.png og:image:alt: Graph-based metadata filtering for improving vector search in RAG applications og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # 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: --- 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) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"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","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/graph-based-metadata-filtering-for-improving-vector-search-in-rag-applications-c6cmxmugu"},"datePublished":"2024-04-25T15:34:11.554Z","dateModified":"2024-05-09T09:23:16.455Z","description":"The post discusses how graph-based metadata filtering can enhance vector search in RAG applications. It explains the process of metadata filtering and...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/4bf3cec0cda2a59bf76b54641accf7d3?_a=AQAEuiZ","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/4bf3cec0cda2a59bf76b54641accf7d3?_a=AQAEuiZ","isAccessibleForFree":true,"articleSection":"LangChain","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"LangChain","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/0f4f2629e0724a849823f8cd0d913e13","url":"https://daily.dev/sources/langchain"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/graph-based-metadata-filtering-for-improving-vector-search-in-rag-applications-c6cmxmugu","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":7},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"langchain,neo4j,vector-search","timeRequired":"PT10M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"LangChain","item":"https://daily.dev/sources/langchain"},{"@type":"ListItem","position":3,"name":"Graph-based metadata filtering for improving vector search in RAG applications"}]} ```