Author

Pengzhi Gao

h-index 5 View on Semantic Scholar

We have 3 of 23 papers

We haven’t gathered this author’s papers yet. Follow them and we’ll fetch their work.

Not the right person? Other researchers publish under this name.

Preprint Aug 2026

Task-Adaptive Rubrics for GUI Reward Modeling

Recent studies on GUI agents have increasingly focused on outcome reward modeling, which assigns outcome rewards by judging whether an executed trajectory satisfies the success criteria implied by the user instruction. Existing GUI reward verifiers, however, often under-specify how these criteria should be constructed...

Tao Xiong, Xavier Hu, Wen-Kai Wang et al. · 1 citation

#artificial intelligence Sep 2025

GUI-PRA: Process Reward Agent for GUI Tasks

gui-PRA is introduced, a Process Reward Agent that transforms GUI process evaluation from passive scoring into active investigation, and demonstrates strong competitiveness against fully trained critic models.

Tao Xiong, Xavier Hu, Yurun Chen et al. · arXiv.org · 5 citations

Preprint Aug 2026

GSAR: Goal-State-Anchor Rewards for Mobile GUI Agents with Self-Evolving Data Synthesis

GSAR (Goal-State-Anchor Reward), a RL reward framework that supports scalable task generation and delivers reliable reward signals for stable and efficient policy optimization, is introduced.

Long Zhang, Yuhan Chen, Chaoran Zhang et al. · 0 citations