collaborators

10 papers

cs.AI2026

Branch2Skill: Efficient Skill Evolution Through Reasoning Trees

Yanwei Ren, Haotian Zhang, Likang Xiao +5

Skill evolution improves agent skills through feedback over time, with failed trajectories often providing informative signals by revealing incomplete or misleading behaviors. Howe…

cs.AI2026

StepGuard: Guarding Web Navigation via Single-Step Calibration

Zhihao Cui, Yuchen Zhang, Xiyang Sun +6

Web navigation requires agents to follow natural language goals, interact with web pages, and produce accurate answers. While recent advances leverage vision-language models and re…

cs.AI2026

OpenClaw-Skill: Collective Skill Tree Search for Agentic Large Language Models

Tianyi Lin, Chuanyu Sun, Jingyi Zhang +6

Equipping Large Language Model (LLM) agents with effective skills is crucial for solving complex tasks in real-world systems like OpenClaw. In this work, we aim to develop a framew…

cs.AI2026

Recycling Failures: Salvaging Exploration in RLVR via Fine-Grained Off-Policy Guidance

Yanwei Ren, Haotian Zhang, Likang Xiao +6

Reinforcement Learning from Verifiable Rewards (RLVR) has emerged as a powerful paradigm for enhancing the complex reasoning capabilities of Large Reasoning Models. However, standa…

cs.CV2025

Remodeling Semantic Relationships in Vision-Language Fine-Tuning

Xiangyang Wu, Liu Liu, Baosheng Yu +2

Vision-language fine-tuning has emerged as an efficient paradigm for constructing multimodal foundation models. While textual context often highlights semantic relationships within…

cs.AI2025

SPOGW: a Score-based Preference Optimization method via Group-Wise comparison for workflows

Yitong Cui, Liu Liu, Baosheng Yu +5

Large language models (LLMs) have exhibited significant capabilities in addressing challenging problems throughout various fields, often through the use of agentic workflows that a…