collaborators

5 papers

cs.AI2026

VS-Bench: Evaluating VLMs for Strategic Abilities in Multi-Agent Environments

Zelai Xu, Zhexuan Xu, Xiangmin Yi +7

Recent advancements in Vision Language Models (VLMs) have expanded their capabilities to interactive agent tasks, yet existing benchmarks remain limited to single-agent or text-onl…

cs.LG2025

Extending Test-Time Scaling: A 3D Perspective with Context, Batch, and Turn

Chao Yu, Qixin Tan, Jiaxuan Gao +7

Reasoning reinforcement learning (RL) has recently revealed a new scaling effect: test-time scaling. Thinking models such as R1 and o1 improve their reasoning accuracy at test time…

cs.AI2025

Learning Strategic Language Agents in the Werewolf Game with Iterative Latent Space Policy Optimization

Zelai Xu, Wanjun Gu, Chao Yu +2

Large language model (LLM) agents have recently demonstrated impressive capabilities in various domains like open-ended conversation and multi-step decision-making. However, it rem…

cs.AI2025

Language Agents with Reinforcement Learning for Strategic Play in the Werewolf Game

Zelai Xu, Chao Yu, Fei Fang +2

Agents built with large language models (LLMs) have shown great potential across a wide range of domains. However, in complex decision-making tasks, pure LLM-based agents tend to e…

cs.AI2025

ICPL: Few-shot In-context Preference Learning via LLMs

Chao Yu, Qixin Tan, Hong Lu +5

Preference-based reinforcement learning is an effective way to handle tasks where rewards are hard to specify but can be exceedingly inefficient as preference learning is often tab…