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Dense-Seeded Local Diffusion with Additive Hop Penalty and Max Aggregation
Method Part 2: Bidirectional Prerequisite Diffusion with Role-Aware (Auditable Strict-Parity Graph-RAG Paper)
Bidirectional Diffusion (Method) in Auditable Strict-Parity Evaluation of Prerequisite-Graph Retrieval for RAG under Leakage Controls
Hop-Penalized Path Score in Bidirectional Diffusion
In the bidirectional-diffusion retriever, for a path from a dense seed to a target node , the upward and downward path scores are
where is the seed's dense score, is the path length in edges, and (upward) and (downward) are role-specific additive hop penalties. The scores are linear in path length, so each additional hop subtracts a fixed amount from the seed's dense score.
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Auditable Strict-Parity Evaluation of Prerequisite-Graph Retrieval for RAG under Leakage Controls
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