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Hongxia Xu

2 papers indexed

arxivcs.AI2026-07-10

LongMedBench: Benchmarking Medical Agents for Long-Horizon Clinical Decision-Making

Zihan Xu, Yanzhen Chen, Xiaocheng Zhang, Zhiting Fan, Weiqi Zhai, Hongxia Xu, et al.

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 emphasized short-context knowledge QA and tool use. However, real-world medical care is inherently longi…

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arxivcs.CVcs.LG2026-06-25

Geometric Gradient Rectification for Safe Open-Set Semi-Supervised Learning

Jiahe Chen, Qian Shao, Qiyuan Chen, Jiaying He, Jintai Chen, Jian Wu, et al.

Open-set semi-supervised learning aims to leverage unlabeled data that may contain out-of-distribution outliers while maintaining performance on in-distribution classes. Existing methods mainly follow two paradigms: filtering suspicious samples or incorporating unlabeled objectiv…

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