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SeYoung Yun

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#machine learning Preprint Oct 2026

Pivot-SD: Efficient Self-Distillation for Masked Diffusion Language Models

Masked diffusion language models (dLMs) offer a promising parallel alternative to autoregressive models for complex reasoning. However, they face a distinct credit-assignment challenge, since a few commitments during denoising sharply reduce the uncertainty over the remaining masked positions and shape much of the resp...

S. Kim, Sun-Woo Hong, Younwoo Choi et al. · 0 citations
#machine learning Preprint Sep 2026

Eliciting Weak-to-Strong Generalization with On-Policy Reverse Distillation

On-Policy Reverse Distillation (OPRD), which evaluates the teacher's policy shift relative to its reference policy on student rollouts and amplifies the component of the student's verifier-driven policy gradient along that direction, and effectively combines verifier-driven policy optimization with teacher guidance reg...

Youngrok Park, Sangmin Bae, Hojung Jung et al. · 3 citations
#machine learning Preprint Aug 2026

PLC-DPO: Posterior Label Correction in Noisy and Ambiguous Preference Optimization

PLC-DPO is proposed to robustly optimize preferences by routing each pair's training signal as a clean, flip, or tie case, which reframes noisy preference learning as actively correcting supervision direction and strength rather than merely filtering suspicious examples.

Boryeong Cho, Sumyeong Ahn, SeYoung Yun · 0 citations

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