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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

A preliminary extension to coding tasks shows that SCOUT can support safety verification beyond computer-use, andlations and analysis show that tool-free rubric generation in SCOUT elicits substantially more reasoning and is crucial for safety detection across verifier backbones, especially non-frontier ones.

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

AppSim-Bench is proposed, which addresses this trade-off through controllable simulated apps that preserve task-relevant interaction logic while supporting deterministic evaluation and removes major sources of environmental stochasticity, enabling reproducible cross-model comparison.

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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