https://automationcalling.com/2026/04/26/graphfusion-ai-building-an-intent-aware-hybrid-rag-with-opensearch-vectors-neo4j-graph-llamaindex-ingestion-fastapi/Automationcallingen2026-04-26T10:05:59+00:00GraphFusion AI: Building an Intent-Aware Hybrid RAG with OpenSearch (Vectors) + Neo4j (Graph) + LlamaIndex (Ingestion) + FastAPItechnology, ai, artificial-intelligence, llm, rag