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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

Author

Ruochi Li

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#artificial intelligence Preprint Oct 2026

TopoGraphRAG-Bench: Evaluating Multimodal GraphRAG on Layout-Grounded Evidence Reasoning

Real-world documents distribute evidence across text, tables, figures, and captions within complex page layouts. Answering complex questions over such documents therefore requires more than retrieving relevant passages: systems must recover the evidence topology that connects heterogeneous evidence units. Existing Grap...

Ruo-Chi Li, Jian-Zhe Lin, Haoxuan Zhang et al. · 0 citations
Aug 2026

Quality-aware multi-source data fusion and enhancement for Medical Concept Normalization using Large Language Models.

This study finds that existing MCN benchmarks present data quality issues and underexplored data fusion potential, and data quality enhancement and LLM-based controlled-variety data augmentation help alleviate overlapping phrases and long-tail issues.

Yuhan Zhou, Ruochi Li, Ana Cleveland et al. · 0 citations

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