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#query-decomposition

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01 ·RAG & Retrieval·★ MEMBER·PAPER·13 min read Paper walkthrough: Hi-Q — splitting a question down to the granularity your corpus can actually retrieve The real bottleneck in multi-hop QA is a mismatch between the granularity of the question and the granularity of retrievable evidence. Hi-Q answers first, then expands only the nodes that failed — in dependency order. Here is the control rule, the tree, and the measured numbers, from zero background.