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Linqiang Guo

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#artificial intelligence Review Oct 2026

AgentPersonaBench: Benchmarking Persona-Driven User Simulation

We introduce AgentPersonaBench (APB), a benchmark evaluating whether persona conditioning faithfully steers downstream agent behavior. While language models are increasingly deployed for persona-driven user simulation, existing benchmarks primarily evaluate conversational styling or self-reports rather than authentic b...

Jin-Tao Huang, Yi-Fan Wang, Hong-Yuan Shen et al. · 0 citations
#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

StepReflect: Structured UI Transition Reflection for Mobile GUI Agents

StepReflect is proposed, which formulates per-step GUI reflection as supervised structured prediction conditioned on explicit transition specifications and paired visual evidence, and established as a practical, locally deployable alternative to repeated frontier-model reflection for long-horizon mobile GUI agents.

Lin-Qiang Guo, Wei Liu, Li Gu et al. · 0 citations

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