collaborators

24 papers

cs.AI2026

Evaluating Agentic Capabilities Before Post-Training: An End-to-End Approach

Jiarui Qin, Junjie Huang, Yunjia Xi +5

Agentic capabilities are increasingly important for modern LLMs, yet remain difficult to evaluate during pretraining. Existing approaches typically rely on static trajectory-derive…

cs.CL2026

From Final Artifacts to Trajectories: Retrospective Process Supervision for Evidence-Grounded Long-Form Generation

Junjie Huang, Jiarui Qin, Di Yin +4

Trajectory data is getting more vital for training large language models for boosting the agentic abilities. Unlike the verifiable domains such as coding or mathematics, scaling tr…

cs.AI2026

What Makes Good Agentic Data? An ACE Lens on Data Generation for LLM Agents

Xingshan Zeng, Zishan Xu, Boju Zhang +11

LLM agents increasingly rely on generated interaction data to learn how to interact with external environments. Agentic data generation must maintain consistency among environments…

cs.AI2026

SkillGate: Training In-Policy Skill Selection in Long-Horizon Agents

Qingyao Li, Wenxiang Jiao, Shuai Shao +6

Agent frameworks increasingly package procedural knowledge as skills: instruction files an agent reads on demand, while public libraries now hold thousands of them. Which skill to…

cs.CV2026

VAD: Attributing Visual Evidence for Target Reconstruction in Multimodal On-Policy Distillation

Kangning Zhang, Yixing Li, Shuai Shao +9

Multimodal on-policy distillation (OPD) transfers fine-grained visual knowledge by supervising student-generated trajectories with a privileged-view teacher. Yet its next-token cor…

cs.AI2026

MMSkills: Towards Multimodal Skills for General Visual Agents

Kangning Zhang, Shuai Shao, Qingyao Li +8

Reusable skills have become a core substrate for improving agent capabilities, yet most existing skill packages encode reusable behavior primarily as textual prompts, executable co…

cs.IR2026

DynaTree: Dynamic Agentic Retrieval Tree for Time-Sensitive News Retrieval

Siyuan Qi, Xinyuan Wang, Yingxuan Yang +5

Agentic Retrieval-Augmented Generation improves retrieval by integrating planning, tool use, and iterative reasoning, but existing agentic RAG methods often couple semantic expansi…

cs.MA2026

SkillMAS: Skill Co-Evolution with LLM-based Multi-Agent System

Shuai Pan, Yixiang Liu, Jiaye Gao +7

Large language model (LLM) agent systems are increasingly expected to improve after deployment, but existing work often decouples two adaptation targets: skill evolution and multi-…

cs.CL2026

Can Vision Language Models Be Adaptive in Mathematics Education? A Learner Model-based Rubric Study

Jie Gao, Yongan Yu, Junzhu Su +3

Adaptive learning refers to educational technologies that track learners' learning progress and adapt the instructional process based on individual learners' learning performance.…

cs.CL2026

Contexting as Recommendation: Evolutionary Collaborative Filtering for Context Engineering

Jiachen Zhu, Zhuoying Ou, Congmin Zheng +9

Large Language Models (LLMs) are highly sensitive to their input contexts, motivating the development of automated context engineering. However, existing methods predominantly trea…

cs.SE2026

SWE-Cycle: Benchmarking Code Agents across the Complete Issue Resolution Cycle

Hao Guan, Lingyue Fu, Shao Zhang +8

As autonomous code agents move toward end-to-end software development, evaluating their practical autonomy becomes critical. Current benchmarks hide friction by testing agents in p…

cs.CL2026

Position: Academic Conferences are Potentially Facing Denominator Gaming Caused by Fully Automated Scientific Agents

Rong Shan, Te Gao, Hang Zheng +6

The implicit policy of maintaining relatively stable acceptance rates at top AI conferences, despite exponentially growing submissions, introduces a critical structural vulnerabili…

cs.SE2026

AdverMCTS: Combating Pseudo-Correctness in Code Generation via Adversarial Monte Carlo Tree Search

Qingyao Li, Weiwen Liu, Weinan Zhang +2

Recent advancements in Large Language Models (LLMs) have successfully employed search-based strategies to enhance code generation. However, existing methods typically rely on stati…

cs.AI2026

Turing Test on Screen: A Benchmark for Mobile GUI Agent Humanization

Jiachen Zhu, Lingyu Yang, Rong Shan +6

The rise of autonomous GUI agents has triggered adversarial countermeasures from digital platforms, yet existing research prioritizes utility and robustness over the critical dimen…

cs.AI2026

Plan-MCTS: Plan Exploration for Action Exploitation in Web Navigation

Weiming Zhang, Jihong Wang, Jiamu Zhou +9

Large Language Models (LLMs) have empowered autonomous agents to handle complex web navigation tasks. While recent studies integrate tree search to enhance long-horizon reasoning,…

cs.CL2026

LogitsCoder: Towards Efficient Chain-of-Thought Path Search via Logits Preference Decoding for Code Generation

Jizheng Chen, Weiming Zhang, Xinyi Dai +6

Code generation remains a challenging task that requires precise and structured reasoning. Existing Test Time Scaling (TTS) methods, including structured tree search, have made pro…

cs.LG2026

Adaptive Milestone Reward for GUI Agents

Congmin Zheng, Xiaoyun Mo, Xinbei Ma +10

Reinforcement Learning (RL) has emerged as a mainstream paradigm for training Mobile GUI Agents, yet it struggles with the temporal credit assignment problem inherent in long-horiz…

cs.CL2026

ReMiT: RL-Guided Mid-Training for Iterative LLM Evolution

Junjie Huang, Jiarui Qin, Di Yin +4

Standard training pipelines for large language models (LLMs) are typically unidirectional, progressing from pre-training to post-training. However, the potential for a bidirectiona…

cs.CL2025

LoopTool: Closing the Data-Training Loop for Robust LLM Tool Calls

Kangning Zhang, Wenxiang Jiao, Kounianhua Du +4

Augmenting Large Language Models (LLMs) with external tools enables them to execute complex, multi-step tasks. However, tool learning is hampered by the static synthetic data pipel…

cs.AI2025

Fints: Efficient Inference-Time Personalization for LLMs with Fine-Grained Instance-Tailored Steering

Kounianhua Du, Jianxing Liu, Kangning Zhang +6

The rapid evolution of large language models (LLMs) has intensified the demand for effective personalization techniques that can adapt model behavior to individual user preferences…

cs.AI2025

APTBench: Benchmarking Agentic Potential of Base LLMs During Pre-Training

Jiarui Qin, Yunjia Xi, Junjie Huang +6

With the rapid development of LLM-based agents, there is a growing trend to incorporate agent-specific data into the pre-training stage of LLMs, aiming to better align LLMs with re…

cs.AI2025

CATArena: Evaluating Evolutionary Capabilities of Code Agents via Iterative Tournaments

Lingyue Fu, Xin Ding, Linyue Pan +9

Current evaluation for Large Language Model (LLM) code agents predominantly focus on generating functional code in single-turn scenarios, which fails to evaluate the agent's capabi…

cs.SE2025

Automatically Benchmarking LLM Code Agents through Agent-Driven Annotation and Evaluation

Lingyue Fu, Bolun Zhang, Hao Guan +7

Recent advances in code agents have enabled automated software development at the project level, supported by large language models (LLMs). However, existing benchmarks for code ag…

cs.SE2025

CoreCodeBench: Decoupling Code Intelligence via Fine-Grained Repository-Level Tasks

Lingyue Fu, Hao Guan, Bolun Zhang +10

The evaluation of Large Language Models (LLMs) for software engineering has shifted towards complex, repository-level tasks. However, existing benchmarks predominantly rely on coar…