RAG is Broken. Fix it with Knowledge Graphs (Neo4j + LangChain)
Автор: ByteBuilder
Загружено: 2026-01-08
Просмотров: 133
Vector databases find similarities. Knowledge Graphs find truths.
Standard RAG (Retrieval-Augmented Generation) often fails when your data requires logical reasoning or relationship mapping. Because vector stores treat data as flat text chunks, they can’t answer questions like "How does the CEO’s strategy impact the engineering budget?"
In this system, we move from Flat Retrieval to Graph Reasoning.
We’ll build a Knowledge Graph using Neo4j and LangChain, allowing an LLM to generate Cypher queries and traverse structured data with precision.
What You’ll Build:
The Problem: Why Vector Similarity is a "fuzzy" trap for complex queries.
The Architecture: Using LLMs to map unstructured text to Node-Edge relationships.
The Logic: Implementing GraphCypherQAChain to translate English into Cypher.
The Implementation: A complete Python environment with Neo4j integration and logic-based retrieval.
GitHub Repo: https://github.com/ByteBuilderLabs/AI...
Neo4j Documentation: https://neo4j.com/
#graphrag #generativeai #neo4j #langchain #python #llm #aialgorithms #knowledgegraph #vectordatabases #aiagents #ai
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