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Xiao Yu

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#artificial intelligence Preprint Sep 2026

SCOUT: Synergizing Reasoning and Tool-Use for Computer-Use Safety

Computer-use agents (CUAs), while capable of completing computer tasks in everyday and professional workflows, can cause unintended harm even under benign instructions and environments. However, detecting such harm remains challenging. First, it requires careful, task-specific reasoning: verifiers guided only by genera...

Jian-Xing Chen, Xiao Yu, Shipra Agrawal et al. · 0 citations
#artificial intelligence Preprint Sep 2026

APPSim-Bench: Bridging Real-world Apps and Reproducible Evaluation for Mobile GUI Agents

Mobile GUI agents can execute tasks from natural-language instructions, but their evaluation remains difficult to make both realistic and reproducible. Existing benchmarks typically trade off these goals: simplified apps lack real-world mobile complexity, whereas live commercial apps introduce uncontrolled variation fr...

Jin-Tian Feng, Long Chen, Xiao Yu et al. · 0 citations
Jun 2026

OSWorld2.0: Benchmarking Computer Use Agents on Long-Horizon Real-World Tasks

These results show that current agents are still far from professional-level computer use: rather than stumbling on basic GUI control or coding, they lose track of constraints, miss information that arrives mid-task, guess rather than ask the user, and skip verification, struggling most when a task hinges on hidden sta...

Mengqi Yuan, Zilong Zhou, Xinzhuang Xiong et al. · 11 citations · ⚡5

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