Author

Yang Wang

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#machine learning Preprint Sep 2026

One Rollout Is All You Get: Fully Test-Time Adaptation for GUI Agents

GUI agents are deployed with frozen weights and discard everything they experience on the job. Existing ways to update an agent's weights assume something deployment withholds: ground truth, rollouts beyond the single attempt (retries, samples, practice runs), or a learning phase other than deployment. Because GUI acti...

Zi-Qiang Wang, Li Gu, Zhixiang Chi et al. · 0 citations

Preprint Aug 2026

Benchmarking LLM Judges for Mobile Agent Evaluation

This work introduces MobileJudgeBench, a benchmark for systematically evaluating LLM-as-judge methods on mobile agent trajectories, and reveals benchmark quality metrics reliably predict real-world judge utility.

Zi-Qiang Wang, Li Gu, Zhixiang Chi et al. · 0 citations