A training-free agentic graph RAG system that navigates document hierarchies and cross-region links, improving answer quality by 7.8% and context sufficiency by 17.7% over the strongest baseline across four CDQA benchmarks.
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DocNavRAG: Document-Structured Graph RAG with Stateful Evidence Construction for Complex Document Question Answering
A training-free agentic graph RAG system that navigates document hierarchies and cross-region links, improving answer quality by 7.8% and context sufficiency by 17.7% over the strongest baseline across four CDQA benchmarks.