HieraRAG shows optimal RAG benchmark granularity varies by dimension, with complexity favoring fine-grained categories and a new Coherence Ratio measuring category structure.
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How Fine-Grained Should a RAG Benchmark Be? A Hierarchical Framework for Synthetic Question Generation
HieraRAG shows optimal RAG benchmark granularity varies by dimension, with complexity favoring fine-grained categories and a new Coherence Ratio measuring category structure.