activity
20232026
most citedDense X Retrieval: What Retrieval Granularity Should We Use?

5 citations · 15 across the 30 of their papers we have counts for

collaborators

31 papers

cs.CV2026

On-Policy Visual Evidence Distillation

Shaohang Wei, Feifan Song, Guangyue Peng +9

Visual agents solve problems by interleaving reasoning with image operations, and on-policy distillation (OPD) provides guidance from a strong teacher on student-generated interact…

cs.AI2026

Coalition-Aware Skill Reliability for Self-Evolving Agents

Qiyan Zhao, Xiaofeng Zhang, Bo Liu +11

Agent skills, structured artifacts distilled from interaction trajectories and dynamically reused from skill banks, have become a central mechanism for enabling large language mode…

cs.CL2026

Demystifying On-Policy Distillation: Roles, Pathologies, and Regulations

Rui Wang, Hongru Wang, Yi Chen +4

On-policy distillation (OPD) has become a key paradigm in LLM post-training, yet its training dynamics remain poorly understood. We present a systematic study examining the role, p…

cs.AI2026

Learning to Build the Environment: Self-Evolving Reasoning RL via Verifiable Environment Synthesis

Yucheng Shi, Zhenwen Liang, Kishan Panaganti +3

We pursue a vision for self-improving language models in which the model does not merely generate problems or traces to imitate, but constructs the environments that train it. In z…

cs.LG2026

Group Distributionally Robust Optimization-Driven Reinforcement Learning for LLM Reasoning

Kishan Panaganti, Zhenwen Liang, Wenhao Yu +2

Recent progress in Large Language Model (LLM) reasoning is increasingly driven by the refinement of post-training loss functions and alignment strategies. However, standard Reinfor…

cs.LG2025

Can LLMs Guide Their Own Exploration? Gradient-Guided Reinforcement Learning for LLM Reasoning

Zhenwen Liang, Sidi Lu, Wenhao Yu +4

Reinforcement learning has become essential for strengthening the reasoning abilities of large language models, yet current exploration mechanisms remain fundamentally misaligned w…

cs.AI2025

Guided Self-Evolving LLMs with Minimal Human Supervision

Wenhao Yu, Zhenwen Liang, Chengsong Huang +4

AI self-evolution has long been envisioned as a path toward superintelligence, where models autonomously acquire, refine, and internalize knowledge from their own learning experien…

cs.CL2025

Understanding and Enhancing Mamba-Transformer Hybrids for Memory Recall and Language Modeling

Hyunji Lee, Wenhao Yu, Hongming Zhang +4

Hybrid models that combine state space models (SSMs) with attention mechanisms have shown strong performance by leveraging the efficiency of SSMs and the high recall ability of att…

cs.CL2025

Don't Throw Away Your Pretrained Model

Shangbin Feng, Wenhao Yu, Yike Wang +3

Alignment training has tradeoffs: it helps language models (LMs) gain in reasoning and instruction following but might lose out on skills such as creativity and calibration, where…

cs.AI2025

Dual-Uncertainty Guided Policy Learning for Multimodal Reasoning

Rui Liu, Dian Yu, Tong Zheng +8

Reinforcement learning with verifiable rewards (RLVR) has advanced reasoning capabilities in multimodal large language models. However, existing methods typically treat visual inpu…

cs.CL2025

Retrieval-augmented GUI Agents with Generative Guidelines

Ran Xu, Kaixin Ma, Wenhao Yu +4

GUI agents powered by vision-language models (VLMs) show promise in automating complex digital tasks. However, their effectiveness in real-world applications is often limited by sc…

cs.CL2025

Parallel-R1: Towards Parallel Thinking via Reinforcement Learning

Tong Zheng, Hongming Zhang, Wenhao Yu +7

Parallel thinking has emerged as a novel approach for enhancing the reasoning capabilities of large language models (LLMs) by exploring multiple reasoning paths concurrently. Howev…

cs.LG2025

Evolving Language Models without Labels: Majority Drives Selection, Novelty Promotes Variation

Yujun Zhou, Zhenwen Liang, Haolin Liu +7

Large language models (LLMs) can improve through reinforcement learning with verifiable rewards (RLVR), but many settings lack reference answers or external verifiers. Label-free s…

cs.CV2025★ 1 cited

Self-Rewarding Vision-Language Model via Reasoning Decomposition

Zongxia Li, Wenhao Yu, Chengsong Huang +8

Vision-Language Models (VLMs) often suffer from visual hallucinations: generating things that are not consistent with visual inputs and language shortcuts, where they skip the visu…

cs.LG2025★ 1 cited

R-Zero: Self-Evolving Reasoning LLM from Zero Data

Chengsong Huang, Wenhao Yu, Xiaoyang Wang +6

Self-evolving Large Language Models (LLMs) offer a scalable path toward super-intelligence by autonomously generating, refining, and learning from their own experiences. However, e…

cs.CV2025

VScan: Rethinking Visual Token Reduction for Efficient Large Vision-Language Models

Ce Zhang, Kaixin Ma, Tianqing Fang +5

Recent Large Vision-Language Models (LVLMs) have advanced multi-modal understanding by incorporating finer-grained visual perception and encoding. However, such methods incur signi…

cs.CL2025

WebEvolver: Enhancing Web Agent Self-Improvement with Coevolving World Model

Tianqing Fang, Hongming Zhang, Zhisong Zhang +4

Agent self-improvement, where the backbone Large Language Model (LLM) of the agent are trained on trajectories sampled autonomously based on their own policies, has emerged as a pr…

cs.CL2025

WebRollback: Enhancing Web Agents with Explicit Rollback Mechanisms

Zhisong Zhang, Tianqing Fang, Kaixin Ma +4

With recent advancements in large language models, web agents have been greatly improved. However, dealing with complex and dynamic web environments requires more advanced planning…

cs.CL2025

OpenCharacter: Training Customizable Role-Playing LLMs with Large-Scale Synthetic Personas

Xiaoyang Wang, Hongming Zhang, Tao Ge +3

Customizable role-playing in large language models (LLMs), also known as character generalization, is gaining increasing attention for its versatility and cost-efficiency in develo…

cs.CL2025

Do Retrieval-Augmented Language Models Adapt to Varying User Needs?

Peilin Wu, Xinlu Zhang, Wenhao Yu +3

Recent advancements in Retrieval-Augmented Language Models (RALMs) have demonstrated their efficacy in knowledge-intensive tasks. However, existing evaluation benchmarks often assu…

cs.CL2024

OpenWebVoyager: Building Multimodal Web Agents via Iterative Real-World Exploration, Feedback and Optimization

Hongliang He, Wenlin Yao, Kaixin Ma +5

The rapid development of large language and multimodal models has sparked significant interest in using proprietary models, such as GPT-4o, to develop autonomous agents capable of…

cs.SE2024★ 1 cited

RepoGraph: Enhancing AI Software Engineering with Repository-level Code Graph

Siru Ouyang, Wenhao Yu, Kaixin Ma +6

Large Language Models (LLMs) excel in code generation yet struggle with modern AI software engineering tasks. Unlike traditional function-level or file-level coding tasks, AI softw…

cs.CV2024

Leopard: A Vision Language Model For Text-Rich Multi-Image Tasks

Mengzhao Jia, Wenhao Yu, Kaixin Ma +6

Text-rich images, where text serves as the central visual element guiding the overall understanding, are prevalent in real-world applications, such as presentation slides, scanned…

cs.AI2024

Cognitive Kernel: An Open-source Agent System towards Generalist Autopilots

Hongming Zhang, Xiaoman Pan, Hongwei Wang +3

We introduce Cognitive Kernel, an open-source agent system towards the goal of generalist autopilots. Unlike copilot systems, which primarily rely on users to provide essential sta…