Tree navigation without LLM summaries: a matched-cost study of hierarchical retrieval for long-document QA
Read the original at arxiv.org→arXiv:2610.06902v1 Announce Type: new Abstract: Retrieval-augmented generation grounds language models in external context, but for long documents flat top-$k$ retrieval can cluster on a single region and miss...
Original headline: "Tree Navigation Without LLM Summaries: A Matched-Cost Study of Hierarchical Retrieval for Long-Document QA"
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- Oct 7, 04:00 UTC arXiv cs.CL lead source Tree Navigation Without LLM Summaries: A Matched-Cost Study of Hierarchical Retrieval for Long-Document QA