The paper's abstract states that its **contribution is methodological rather than algorithmic**. The **main novelty** is named as three pillars: (i) **strict-parity graph-RAG evaluation**, (ii) **leakage auditing**, and (iii) **claim-to-artifact traceability**. Deterministic bidirectional diffusion with role-aware quotas is positioned as a **controlled test case**, and adaptive depth gating as an **optional extension**, not as headline algorithmic contributions. This framing constrains how the paper's empirical results should be read: gains and ties are reported to support methodological lessons about how graph-RAG comparisons should be conducted, not to advocate a new retriever.

Methodological-Not-Algorithmic Contribution Statement

**Deterministic bidirectional diffusion with role-aware quotas** is the controlled test-case graph-RAG method studied in this paper. From a query concept, the procedure deterministically diffuses along prerequisite edges in **both directions** of the prerequisite graph (toward ancestors/parents and toward descendants/children), collecting candidate concepts. A **role-aware quota** caps how many slots are allocated to each role (e.g., prerequisite parents vs. dependent children), preventing one direction from monopolizing the top-$$k$$ output. The method is deterministic given the graph, so its behavior is reproducible and auditable, which is why the paper uses it as a controlled probe of where graph structure helps rather than as a new headline retriever.

Bidirectional Prerequisite Diffusion with Role-Aware Quotas

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Method-Related Scope Notes for Abstract (Auditable Strict-Parity Graph-RAG Paper)

Root URL: https://1iman.com/
Canonical paper URL: https://1iman.com/assets/working-papers/pdf/emnlp-auditable-strict-parity-evaluation-of-prerequisite-graph-retrieval-for-rag-under-leakage-controls.pdf
Portfolio PDF URL: https://1iman.com/assets/working-papers/pdf/emnlp-auditable-strict-parity-evaluation-of-prerequisite-graph-retrieval-for-rag-under-leakage-controls.pdf
Paper title: Auditable Strict-Parity Evaluation of Prerequisite-Graph Retrieval for RAG under Leakage Controls
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Reference: Auditable Strict-Parity Evaluation of Prerequisite-Graph Retrieval for RAG under Leakage Controls

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