Concept

Why This Paper Reports SP+ Separately from SP

In this paper, SP+ results are reported separately from SP so that a learned reranker's contribution is not silently folded into the headline graph-traversal comparison. SP isolates graph-policy effects under a fixed retrieval interface; SP+ shows what changes when a learned reranker is added on top of that interface.

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Updated 2026-05-17

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Auditable Strict-Parity Evaluation of Prerequisite-Graph Retrieval for RAG under Leakage Controls