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cs.AI2026
Locating Failure in Multi-Page Visually Rich Document Understanding Systems: An Empirical Attribution
Lewei Xu, Yihao Ding, Zihan Xu +5
Multi-page visually rich document understanding (MP-VRDU) systems can fail when evidence is not faithfully represented, not selected, or not used correctly, yet final accuracy alon…
cs.AI2026
LongMedBench: Benchmarking Medical Agents for Long-Horizon Clinical Decision-Making
Zihan Xu, Yanzhen Chen, Xiaocheng Zhang +4
In this work, we introduce LongMedBench, a real-world EHR-based benchmark for long-horizon clinical decision-making. Prior evaluations of LLM-based medical agents have largely emph…