RAPTOR published
RAPTOR published — recursively summarizes documents into a tree and retrieves at multiple levels of abstraction
Why it matters
Proposed a hierarchical summary index as an alternative to chunk-level retrieval
Source — Primary sources first; secondary reports are labelled “Press”
Paperarxiv.orghttps://arxiv.org/abs/2401.18059Added in Week 35, 2026 · See that week