--- title: Graph-based Metadata Filtering for Improving Vector... description: Learn how graph-based metadata filtering can enhance vector search accuracy using LangChain and Neo4j. Discover how metadata filtering can help narrow down... canonical: https://daily.dev/posts/graph-based-metadata-filtering-for-improving-vector-search-in-rag-applications-2mxdyshut 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: Learn how graph-based metadata filtering can enhance vector search accuracy using LangChain and Neo4j. Discover how metadata filtering can help narrow down... og:url: https://daily.dev/posts/graph-based-metadata-filtering-for-improving-vector-search-in-rag-applications-2mxdyshut og:image: https://api.daily.dev/og/posts/2mXdYShUT.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 **[neo4j](https://daily.dev/sources/neo4j)** · 10 min read · 2 upvotes · 0 comments ## Summary Learn how graph-based metadata filtering can enhance vector search accuracy using LangChain and Neo4j. Discover how metadata filtering can help narrow down search results based on specific attributes, such as dates or categories. ## 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-2mxdyshut) ```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-2mxdyshut","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/graph-based-metadata-filtering-for-improving-vector-search-in-rag-applications-2mxdyshut"},"datePublished":"2024-04-29T08:14:42.941Z","dateModified":"2024-05-09T09:28:05.588Z","description":"Learn how graph-based metadata filtering can enhance vector search accuracy using LangChain and Neo4j. Discover how metadata filtering can help narrow down...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/9d987ab0a55703a9b2ea2a8cafa106d7?_a=AQAEuiZ","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/9d987ab0a55703a9b2ea2a8cafa106d7?_a=AQAEuiZ","isAccessibleForFree":true,"articleSection":"neo4j","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":"neo4j","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/a8f15865d92d4c789a415f316dcb81d2","url":"https://daily.dev/sources/neo4j"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/graph-based-metadata-filtering-for-improving-vector-search-in-rag-applications-2mxdyshut","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2},{"@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":"neo4j","item":"https://daily.dev/sources/neo4j"},{"@type":"ListItem","position":3,"name":"Graph-based Metadata Filtering for Improving Vector Search in RAG Applications"}]} ```