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Aug 2026
Multi-Modal Hierarchical Retrieval-Augmented Generation for Document Question Answering
This work introduces MMHRAG, a novel Multi-Modal Hierarchical Retrieval-Augmented Generation framework that achieves cross-modal interaction on DocQA for the first time, and designs a Summarizing Agent to resolve logical conflicts, information redundancy, and granularity discrepancies among retrieved cross-modal evidence.
Jiayuan Wang, Jie Lian, Fu Zhao et al.
· Proceedings of the 32nd ACM... · 0 citations