activity
20232026
most citedUnleashing the Power of Data Tsunami: A Comprehensive Survey on Data Assessment and Selection for Instruction Tuning of Language Models

3 citations · 5 across the 17 of their papers we have counts for

collaborators

17 papers

cs.LG2026

Start Classifying: Categorical Critics for LLM Reinforcement Learning

Zhijian Zhou, Long Li, Xuan Zhang +7

Proximal Policy Optimization (PPO) for large language models typically trains its critic by mean-squared-error (MSE) regression on scalar value targets. Although scalar MSE is stat…

cs.AI2026

Internalizing the Future: A Unified Agentic Training Paradigm for World Model Planning

Xuan Zhang, Zhijian Zhou, Lingfeng Qiao +6

Large language model (LLM) agents have demonstrated strong capability in sequential decision-making, yet they remains fundamentally reactive in long-horizon tasks. Unlike humans wh…

cs.CL2026

SmartSnap: Proactive Evidence Seeking for Self-Verifying Agents

Shaofei Cai, Yulei Qin, Haojia Lin +10

Agentic reinforcement learning (RL) holds great promise for the development of autonomous agents under complex GUI tasks, but its scalability remains severely hampered by the verif…

cs.AI2025

Youtu-Agent: Scaling Agent Productivity with Automated Generation and Hybrid Policy Optimization

Yuchen Shi, Yuzheng Cai, Siqi Cai +15

Existing Large Language Model (LLM) agent frameworks face two significant challenges: high configuration costs and static capabilities. Building a high-quality agent often requires…

cs.CL2025

LTD-Bench: Evaluating Large Language Models by Letting Them Draw

Liuhao Lin, Ke Li, Zihan Xu +5

Current evaluation paradigms for large language models (LLMs) represent a critical blind spot in AI research--relying on opaque numerical metrics that conceal fundamental limitatio…

cs.AI2025

Count Counts: Motivating Exploration in LLM Reasoning with Count-based Intrinsic Rewards

Xuan Zhang, Ruixiao Li, Zhijian Zhou +7

Reinforcement Learning (RL) has become a compelling way to strengthen the multi step reasoning ability of Large Language Models (LLMs). However, prevalent RL paradigms still lean o…

cs.SE2025

CUARewardBench: A Benchmark for Evaluating Reward Models on Computer-using Agent

Haojia Lin, Xiaoyu Tan, Yulei Qin +9

Computer-using agents (CUAs) enable task completion through natural interaction with operating systems and software interfaces. While script-based verifiers are widely adopted for…

cs.CL2025

Training-Free Group Relative Policy Optimization

Yuzheng Cai, Siqi Cai, Yuchen Shi +10

Recent advances in Large Language Model (LLM) agents have demonstrated their promising general capabilities. However, their performance in specialized real-world domains often degr…

cs.AI2025

RoRecomp: Enhancing Reasoning Efficiency via Rollout Response Recomposition in Reinforcement Learning

Gang Li, Yulei Qin, Xiaoyu Tan +6

Reinforcement learning with verifiable rewards (RLVR) has proven effective in eliciting complex reasoning in large language models (LLMs). However, standard RLVR training often lea…

cs.LG2025★ 1 cited

Learn the Ropes, Then Trust the Wins: Self-imitation with Progressive Exploration for Agentic Reinforcement Learning

Yulei Qin, Xiaoyu Tan, Zhengbao He +13

Reinforcement learning (RL) is the dominant paradigm for sharpening strategic tool use capabilities of LLMs on long-horizon, sparsely-rewarded agent tasks, yet it faces a fundament…

cs.CV2025

Incentivizing Reasoning for Advanced Instruction-Following of Large Language Models

Yulei Qin, Gang Li, Zongyi Li +6

Existing large language models (LLMs) face challenges of following complex instructions, especially when multiple constraints are present and organized in paralleling, chaining, an…

cs.CL2025

Multi-Level Optimal Transport for Universal Cross-Tokenizer Knowledge Distillation on Language Models

Xiao Cui, Mo Zhu, Yulei Qin +3

Knowledge distillation (KD) has become a prevalent technique for compressing large language models (LLMs). Existing KD methods are constrained by the need for identical tokenizers…

cs.CV2024

Leveraging Open Knowledge for Advancing Task Expertise in Large Language Models

Yuncheng Yang, Yulei Qin, Tong Wu +9

The cultivation of expertise for large language models (LLMs) to solve tasks of specific areas often requires special-purpose tuning with calibrated behaviors on the expected stabl…

cs.CV2024★ 3 cited

Unleashing the Power of Data Tsunami: A Comprehensive Survey on Data Assessment and Selection for Instruction Tuning of Language Models

Yulei Qin, Yuncheng Yang, Pengcheng Guo +7

Instruction tuning plays a critical role in aligning large language models (LLMs) with human preference. Despite the vast amount of open instruction datasets, naively training a LL…

cs.CV2024

RESTORE: Towards Feature Shift for Vision-Language Prompt Learning

Yuncheng Yang, Chuyan Zhang, Zuopeng Yang +6

Prompt learning is effective for fine-tuning foundation models to improve their generalization across a variety of downstream tasks. However, the prompts that are independently opt…

cs.LG2024

Sinkhorn Distance Minimization for Knowledge Distillation

Xiao Cui, Yulei Qin, Yuting Gao +7

Knowledge distillation (KD) has been widely adopted to compress large language models (LLMs). Existing KD methods investigate various divergence measures including the Kullback-Lei…

cs.IR2023★ 1 cited

Towards Robust Text Retrieval with Progressive Learning

Tong Wu, Yulei Qin, Enwei Zhang +4

Retrieval augmentation has become an effective solution to empower large language models (LLMs) with external and verified knowledge sources from the database, which overcomes the…