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.HC2026

OGA-AID: Clinician-in-the-loop AI Report Drafting Assistant for Multimodal Observational Gait Analysis in Post-Stroke Rehabilitation

Khoi T. N. Nguyen, Nghia D. Nguyen, Hui Yu Koh +4

Gait analysis is essential in post-stroke rehabilitation but remains time-intensive and cognitively demanding, especially when clinicians must integrate gait videos and motion-capt…

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…

cs.AI2025

ContextPRM: Leveraging Contextual Coherence for multi-domain Test-Time Scaling

Haotian Zhang, Liu Liu, Baosheng Yu +5

Process reward models (PRMs) have demonstrated significant efficacy in enhancing the mathematical reasoning capabilities of large language models (LLMs) by leveraging test-time sca…