DeepHub IMBA

Mar 15, 2026 · Artificial Intelligence

BookRAG: A Tree‑Graph Fusion RAG Framework for Hierarchical Documents

BookRAG introduces a tree‑graph fused Retrieval‑Augmented Generation framework that builds a native document index combining hierarchical layout trees with fine‑grained knowledge graphs, and employs an Information‑Foraging‑Theory‑inspired agent to dynamically navigate queries across complex, multi‑section documents.