Author

Tian-Chen Guan

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#artificial intelligence Preprint Sep 2026

Constructing Challenging Browser-Use Tasks by Controlled Environment Interventions

This paper evaluates six strong browser-use agents, three GUI-only agents that see only screenshots, and humans, evaluating the construction of challenging instances from tasks agents already solve, turning difficulty into a programmable property of the environment.

Xun-Jian Yin, Tian-Chen Guan, Jin-Ao Wang et al. · 0 citations

#artificial intelligence Preprint Aug 2026

ComponentBench: Diagnosing Component-Level Failures in Computer-Use Agents

This work presents ComponentBench, a benchmark and diagnostic pipeline for component-level evaluation of computer-use agents on modern web UIs, and introduces a scalable pipeline for auditing realized structural difficulty after implementation and synthesizing structured failure analyses across tasks and component fami...

Tian-Chen Guan, Xinlei Lin, Royce Cheng-Yue et al. · 0 citations