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Guogang Xu

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#large language models Open access Oct 2026

Towards a structure-aware multi-hop retrieval framework for large language model reasoning over complex oncology guidelines

Large language models (LLMs) augmented with clinical guidelines show promise in medical question answering, yet structural parsing and evidence retrieval over complex guidelines remain challenging. We propose SMART-RAG (Structure-aware Multi-hop Augmented Retrieval Technique for RAG), a structure-aware multi-hop retrie...

Dongni Li, Guogang Xu, Haitao Huang et al. · npj Precision Oncology · 0 citations