collaborators

12 papers

cs.CL2026

From AI Assistant to AI Scientist: Autonomous Discovery of LLM-RL Algorithms with LLM Agents

Sirui Xia, Yikai Zhang, Aili Chen +3

Discovering improved policy optimization algorithms for language models remains a costly manual process requiring repeated mechanism-level modification and validation. Unlike simpl…

cs.CL2026

CoSER: A Comprehensive Literary Dataset and Framework for Training and Evaluating LLM Role-Playing and Persona Simulation

Xintao Wang, Heng Wang, Yifei Zhang +9

Role-playing language agents (RPLAs) have emerged as promising applications of large language models (LLMs). However, simulating established characters presents a challenging task…

cs.AI2025

ORIGAMISPACE: Benchmarking Multimodal LLMs in Multi-Step Spatial Reasoning with Mathematical Constraints

Rui Xu, Dakuan Lu, Zicheng Zhao +5

Spatial reasoning is a key capability in the field of artificial intelligence, especially crucial in areas such as robotics, computer vision, and natural language understanding. Ho…

cs.CL2025

Curse of Knowledge: When Complex Evaluation Context Benefits yet Biases LLM Judges

Weiyuan Li, Xintao Wang, Siyu Yuan +5

As large language models (LLMs) grow more capable, they face increasingly diverse and complex tasks, making reliable evaluation challenging. The paradigm of LLMs as judges has emer…

cs.CL2025

Enhancing Language Agent Strategic Reasoning through Self-Play in Adversarial Games

Yikai Zhang, Ye Rong, Siyu Yuan +3

Existing language agents often encounter difficulties in dynamic adversarial games due to poor strategic reasoning. To mitigate this limitation, a promising approach is to allow ag…

cs.CL2025

ThinkDial: An Open Recipe for Controlling Reasoning Effort in Large Language Models

Qianyu He, Siyu Yuan, Xuefeng Li +2

Large language models (LLMs) with chain-of-thought reasoning have demonstrated remarkable problem-solving capabilities, but controlling their computational effort remains a signifi…