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Jian Kang

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#machine learning Preprint Sep 2026

1% of Tokens Can Be Enough: On Gradient Estimation in On-Policy Distillation

An information-efficiency ratio (IER) based on a signal-to-noise decomposition and a candidate-set approximation enables token selection based on IER and its combination with existing usefulness scores, while retaining the sampled reverse-KL training objective.

Huan-Xin Sheng, Zhi-Ling Ye, Hao-Nan Wang et al. · 0 citations
Preprint Aug 2026

OmniJudge or OmniBias? Diagnosing Multimodal Judges through Balanced, Decoupled Lenses

D3-Omni is introduced, a balanced and decoupled benchmark for diagnosing fine-grained multimodal understanding, covering 53 orthogonal binary dimensions and 10,671 samples across the three tasks, suggesting that aggregate accuracy may hide systematic blind spots that a balanced and decoupled lens can help expose and, i...

Guang Hu, Ziyue Jiang, Wei Qiao et al. · 0 citations

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