1Cademy - Primary and Secondary Retrieval Metrics in Hierarchical Prerequisite Graph RAG

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Strict-Parity Headline Invariants for Prerequisite Retrieval (m=100, k=10, Exact-ID Match)
Recall@k Retrieval Metric
Precision@k Retrieval Metric
Metrics And Statistics (Experimental Setup) in Auditable Strict-Parity Evaluation of Prerequisite-Graph Retrieval for RAG under Leakage Controls

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Primary and Secondary Retrieval Metrics in Hierarchical Prerequisite Graph RAG

The paper's primary retrieval outcomes are R@ $10$ on LectureBank-Full and MOOC-CS, and validation R@ $10$ on QASC (whose official test split withholds evidence). R@ $5$ and P@ $10$ are reported as secondary metrics. Fixing R@ $10$ as the headline cutoff matches the strict-parity contract's invariant $k = 10$ ; adding R@ $5$ provides a stricter recall cutoff and P@ $10$ provides a precision-style view of the same top- $k$ window.

Updated 2026-05-17

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

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