Author

Wen-Kai Wang

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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

Preprint Aug 2026

UI-Mate: Advancing Open-Weight Foundation GUI Agents with In-Context Demonstrations

Experiments show that UI-Mate-27B sets a new open-weight state of the art on general computer-use benchmarks, substantially improving long-horizon reliability, and makes three contributions to an environment-grounded training stack with in-context demonstration learning.

Zihan Ding, Long-Xu Dou, Qixiao Gao et al. · 1 citation