Author

Zhuoer Xu

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#natural language process... Preprint Sep 2026

Dense Is Not Enough: Hierarchical Supervision Allocation for Long-Horizon On-Policy Distillation

On-policy distillation (OPD) transfers the capabilities of a large language model to a smaller student by providing teacher supervision on the student's own rollouts. In long-horizon agentic tasks, however, uniform token-level matching can allocate supervision poorly: a large local discrepancy need not improve future b...

Yu-Hao Sun, Bin-Rui Wu, Zhuo-Er Xu et al. · 0 citations

#artificial intelligence Preprint Aug 2026

UI-Venus-2 Technical Report

UI-Venus-2 is presented, a general-purpose foundation GUI agent designed to operate across mobile, web, and desktop environments through a unified closed-loop reasoning-action framework that integrates safety-aware mechanisms to ensure controlled execution of consequential actions.

Venus Team, Zhuo-Hang Cai, Hao-Xin Chen et al. · 1 citation