Author

Hua-Xiu Yao

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#machine learning Preprint Sep 2026

When EOS Tokens Disagree: Understanding Length Inflation in On-Policy Distillation

We study length inflation in on-policy distillation (OPD), where student responses can become excessively long and even exhaust the generation budget. We identify \emph{termination-token mismatch} between base students and post-trained teachers as an important source of this behavior. Across Qwen3, Llama, and Gemma, th...

Yu-Xiao Yang, Tian-Run Yu, Shang-Zhe Li et al. · 2 citations

#artificial intelligence Apr 2026

WebXSkill: Skill Learning for Autonomous Web Agents

This work introduces WebXSkill, a framework that bridges a grounding gap with executable skills, each pairing a parameterized action program with step-level natural-language guidance, and finds that better skill deployment mode depends on a model's plan and execution capability.

Zhaoyang Wang, Qianhui Wu, Xuchao Zhang et al. · arXiv.org · 17 citations