collaborators

10 papers

cs.LG2026

RLVR Datasets and Where to Find Them: Tracing Data Lineage for Better Training Data

Hsiu-Yuan Huang, Weijie Liu, Chenming Tang +5

The proliferation of Reinforcement Learning from Verifiable Rewards (RLVR) datasets has exacerbated provenance collapse due to unclear lineage among existing datasets. To bridge th…

cs.CL2026

How to Fine-Tune a Reasoning Model? A Teacher-Student Cooperation Framework to Synthesize Student-Consistent SFT Data

Zixian Huang, Kaichen Yang, Xu Huang +6

A widely adopted strategy for model enhancement is to use synthetic data generated by a stronger model for supervised fine-tuning (SFT). However, for emerging reasoning models like…

cs.CV2026

UniDoc-RL: Coarse-to-Fine Visual RAG with Hierarchical Actions and Dense Rewards

Jun Wang, Shuo Tan, Zelong Sun +5

Retrieval-Augmented Generation (RAG) extends Large Vision-Language Models (LVLMs) with external visual knowledge. However, existing visual RAG systems typically rely on generic ret…

cs.DB2026

TableNet A Large-Scale Table Dataset with LLM-Powered Autonomous

Ruilin Zhang, Kai Yang

Table Structure Recognition (TSR) requires the logical reasoning ability of large language models (LLMs) to handle complex table layouts, but current datasets are limited in scale…

cs.LG2026

Learning beyond Teacher: Generalized On-Policy Distillation with Reward Extrapolation

Wenkai Yang, Weijie Liu, Ruobing Xie +3

On-policy distillation (OPD), which aligns the student with the teacher's logit distribution on student-generated trajectories, has demonstrated strong empirical gains in improving…

cs.CL2026

ExpLang: Improved Exploration and Exploitation in LLM Reasoning with On-Policy Thinking Language Selection

Changjiang Gao, Zixian Huang, Kaichen Yang +3

Current large reasoning models (LRMs) have shown strong ability on challenging tasks after reinforcement learning (RL) based post-training. However, previous work mainly focuses on…

cs.CL2026

Composition-RL: Compose Your Verifiable Prompts for Reinforcement Learning of Large Language Models

Xin Xu, Clive Bai, Kai Yang +8

Large-scale verifiable prompts underpin the success of Reinforcement Learning with Verifiable Rewards (RLVR), but they contain many uninformative examples and are costly to expand…

cs.AI2026

Small Generalizable Prompt Predictive Models Can Steer Efficient RL Post-Training of Large Reasoning Models

Yun Qu, Qi Wang, Yixiu Mao +8

Reinforcement learning enhances the reasoning capabilities of large language models but often involves high computational costs due to rollout-intensive optimization. Online prompt…

cs.LG2025

EntroPIC: Towards Stable Long-Term Training of LLMs via Entropy Stabilization with Proportional-Integral Control

Kai Yang, Xin Xu, Yangkun Chen +5

Long-term training of large language models (LLMs) requires maintaining stable exploration to prevent the model from collapsing into sub-optimal behaviors. Entropy is crucial in th…

cs.LG2025

Thinking-Free Policy Initialization Makes Distilled Reasoning Models More Effective and Efficient Reasoners

Xin Xu, Cliveb AI, Clive Bai +5

Reinforcement Learning with Verifiable Reward (RLVR) effectively solves complex tasks but demands extremely long context lengths during training, leading to substantial computation…