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NLP & Language · advanced · concept 148 of 311 · Updated Nov 4, 2026

GraphRAG

GraphRAG combines retrieval with a knowledge graph. Plain RAG pulls passages that sound similar to a question; GraphRAG can also follow relationships between entities and summarize across a whole collection. That helps with questions needing several connected facts, at the price of building and updating the graph, so it should be tested against simpler retrieval first.

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Key terms

Entity extractionGraph traversalCommunity summariesMulti-hop questionsGraph upkeep

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Investigations across documents, research synthesis, enterprise knowledge assistants

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