activity
20242026
collaborators
Showing cs.CLShow all

5 papers · 1 filter

cs.CL2026

SkillCraft: Can LLM Agents Learn to Use Tools Skillfully?

Shiqi Chen, Jingze Gai, Ruochen Zhou +13

Real-world tool-using agents operate over long-horizon workflows with recurring structure and diverse demands, where effective behavior requires not only invoking atomic tools but…

cs.CL2025

Why Is Spatial Reasoning Hard for VLMs? An Attention Mechanism Perspective on Focus Areas

Shiqi Chen, Tongyao Zhu, Ruochen Zhou +7

Large Vision Language Models (VLMs) have long struggled with spatial reasoning tasks. Surprisingly, even simple spatial reasoning tasks, such as recognizing "under" or "behind" rel…

cs.CL2025

Does Learning Mathematical Problem-Solving Generalize to Broader Reasoning?

Ruochen Zhou, Minrui Xu, Shiqi Chen +5

There has been a growing interest in enhancing the mathematical problem-solving (MPS) capabilities of large language models. While the majority of research efforts concentrate on c…

cs.CL2025

From Mathematical Reasoning to Code: Generalization of Process Reward Models in Test-Time Scaling

Zhengyu Chen, Yudong Wang, Teng Xiao +5

Recent advancements in improving the reasoning capabilities of Large Language Models have underscored the efficacy of Process Reward Models (PRMs) in addressing intermediate errors…

cs.CL2025

Learn to Reason Efficiently with Adaptive Length-based Reward Shaping

Wei Liu, Ruochen Zhou, Yiyun Deng +5

Large Reasoning Models (LRMs) have shown remarkable capabilities in solving complex problems through reinforcement learning (RL), particularly by generating long reasoning traces.…