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News/Coverage, Not Averages: Semantic Stratification for Trustworthy Retrieval Evaluation
arxiv
PublishedApril 24, 2026 at 4:00 AM
—neutral

Coverage, Not Averages: Semantic Stratification for Trustworthy Retrieval Evaluation

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arXiv:2604.20763v1 Announce Type: cross Abstract: Retrieval quality is the primary bottleneck for accuracy and robustness in retrieval-augmented generation (RAG). Current evaluation relies on heuristically constructed query sets, which introduce a hidden intrinsic bias. We formalize retrieval evalua

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