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Changqiao Wu

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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
#machine learning Preprint Jul 2026

SEE: Structure-aware Exploring&Exploiting for Long-horizon GUI Agent Trajectory Synthesis

See, a two-stage data synthesis framework consisting of an efficient exploration stage that builds an explicit UI transition graph over screens and elements, and a graph-based synthesis stage that composes diverse multi-step trajectories via planning and controlled sampling, yields reproducible and explainable data gen...

Zhuohang Fan, Beichen Zhang, Yuanfa Li et al. · 0 citations

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