KET-RAG uses a PageRank-selected knowledge graph skeleton plus a text-keyword bipartite graph to lower Graph-RAG indexing cost while achieving comparable or better retrieval and generation quality.
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KET-RAG: A Cost-Efficient Multi-Granular Indexing Framework for Graph-RAG
KET-RAG uses a PageRank-selected knowledge graph skeleton plus a text-keyword bipartite graph to lower Graph-RAG indexing cost while achieving comparable or better retrieval and generation quality.