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Author

Pengzhi Gao

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Preprint Aug 2026

Task-Adaptive Rubrics for GUI Reward Modeling

AdaptRubric is proposed, a Coarse-to-Fine Rubrics Framework that constructs task-adaptive judging criteria through a category-level coarse stage and an instance-level fine stage, and consistently outperforms prior reward agents.

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

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. · 5 citations

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