Author

Xiaohan Yi

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#machine learning Preprint Sep 2026

Graph-Conditioned On-Policy Agent Distillation from Off-the-Shelf Teachers

On-policy distillation (OPD) trains compact language agents with teacher feedback on student-generated trajectories. In multi-turn tasks, compounding errors can move students beyond the teacher's effective supervision. We introduce Graph-Conditioned On-Policy Agent Distillation (GC-OPD), which enriches an off-the-shelf...

Xiao-Han Yi, Wen Luo, Ya-Ni Huang et al. · 0 citations

Preprint Aug 2026

VIG: Visual Information Gain as a Reward Signal for Multimodal Chain-of-Thought Compression

Multimodal large reasoning models often rely on long Chain-of-Thought (CoT) traces in which a substantial fraction of tokens, such as repeated visual descriptions, self-reflection, and other visually-disengaged filler, inflate inference cost without contributing to the answer. Existing CoT compression methods optimize...

Wen Luo, Xiao-Han Yi, Xiao-Tao Huang et al. · 0 citations