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Author

Chunhua Shen

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#machine learning Preprint Nov 2026

Reinforcing What the Student Has Learned: Teacher-Guided On-Policy Distillation

On-policy distillation (OPD) improves language-model reasoning through dense teacher feedback on student-generated responses.We first observe an amplitude disparity in this feedback: on math reasoning responses, style-related positions exhibit 3.5 times the mean absolute teacher--student log-probability difference of m...

Bo-Zhen Fang, Lin-Hao Zhong, Xue-Hao Wang et al. · 0 citations
Preprint Aug 2026

ForeDreamer: A Self-Evolving Dual-Agent Memory Architecture for Future Event Prediction

Open-web future event prediction requires agents to distill reliable signals from noisy, redundant, and incomplete evidence. Existing retrieval/memory mechanisms directly feed retrieved information to agents or rely on simple memory functions such as storing and reusing prior information for prediction, leaving them in...

Linhao Zhong, Zong-Ze Du, Linyu Wu et al. · 0 citations
Preprint Sep 2026

Metric-Bench: Exploring In-context Spatial Metric Reasoning in VLMs for Indoor Scenes

Metric reasoning is a critical and challenging task for Vision Language Models (VLMs), playing a pivotal role in embodied AI tasks such as robotic manipulation and autonomous navigation. However, current spatial reasoning remains bottlenecked by rigid pixel-level supervision; such localized optimization often compromis...

Yu-Ling Xi, Hao-Kai Zhang, Mu-Zhi Zhu et al. · 0 citations

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