GraphRAG Patterns Combine knowledge graphs with RAG for relationship-aware retrieval and reasoning. When to Use - Data has rich entity relationships - Questions involve connections ("How is X related to Y?") - Need multi-hop reasoning across documents - Building over structured + unstructured data - Want explainable retrieval paths GraphRAG Architecture Building the Knowledge Graph Entity & Relationship Extraction Store in Neo4j GraphRAG Retrieval Strategies 1. Entity-Centric Retrieval 2. Path-Based Retrieval 3. Community-Based Retrieval (Microsoft GraphRAG) LangChain + Neo4j Integration Hybr…