Author

Yao Tian

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Preprint Aug 2026

DocNavRAG: Document-Structured Graph RAG with Stateful Evidence Construction for Complex Document Question Answering

DocNavRAG is introduced, which organizes document hierarchies and cross-region relations into a navigable graph, exposes graph operations for locating, navigating, expanding, and fetching, and maintains an evolving evidence state to guide retrieval until sufficient evidence is collected.

Dong Xie, Yao Tian, Hao Zhang et al. · 0 citations

Preprint Jul 2026

Beyond Retrieval: Analytic Memory for Multimodal Agents

This paper presents AdaMM, a framework that jointly supports retrieval and analytic memory that extracts provenance-linked attribute-value observations from dialogue, images, and contextual metadata, discovers recurring field structures, and materializes them for analytical access.

Zhoujin Tian, Hao Zhang, Yao Tian et al. · 0 citations