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Jia-Qi Wang

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#machine learning Preprint Sep 2026

RL Starts before RL: On Policy Distillation for Better Reinforcement Learning

The results support OPD as preparation for RL and favor forward KL when OPD is followed by RL in the authors' comparison, which highlights the importance of both objective choice and the states receiving supervision for subsequent RL.

Shuai Dong, Yong-Fu Zhu, Yu-Qi Xu et al. · 3 citations · ⚡1
Preprint Aug 2026

SearchMaster: Grounded and Regulated Self-Play for Search Agents

SearchMaster is presented, a self-play framework that trains a single LLM from search tasks it generates, solves, and verifies in a local search environment, showing that grounded and regulated self-play can provide effective search-agent training data without human-labeled QA pairs or expert demonstrations.

Wentao Tan, Qiong Cao, Jia-Qi Wang et al. · 2 citations
Preprint Aug 2026

SearchAuditor: Auditing and Attributing Failures in Long-Horizon Search Agents

A benchmark that evaluates whether LLM auditors can localize, attribute, and repair search-agent failures through evidence-grounded adjudication, and proposes SearchAuditor, a multi-perspective auditing framework that effectively localizes, attributes, and repairs search-agent failures through evidence-grounded adjudic...

Zhixiang Liang, Yifei Liu, Yi-Dan Huang et al. · 1 citation
Preprint Aug 2026

OrthoSkillVLA: Continual Skill Learning via Gradient-Informed Skill Subspace Adaptation

This work proposes OrthoSkillVLA, a parameter-efficient framework for continual skill learning in pretrained VLA models without demonstration replay, and introduces a lightweight feature-aware MoE decoder that better preserves prior skills while acquiring new ones.

Jia-Qi Wang, Zhou Fang, Q. Shi et al. · 0 citations
Preprint Aug 2026

FailForge: Distilling Procedural Competence from Persistent Failures into Code Agents

FailForge is proposed, an agentic framework that converts failed rollouts into training signal, and recovers over 26% of previously failed instances at marginal additional cost, and training Qwen3.5-4B on the augmented corpus improves the SWE-bench Verified resolve rate by 6.6 points over a strong RFT baseline.

Dongyi Lv, E. Fushun, Aichen Cai et al. · 1 citation

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