collaborators

6 papers

cs.AI2026

ToolGate: Token-Efficient Pre-Call Control for Tool-Augmented Vision-Language Agents

Anjie Liu, Yan Song, Zhixun Chen +3

Tool-augmented vision-language agents can acquire external perceptual evidence through OCR, detection, segmentation, and other tools, but executing every proposed tool call is cost…

cs.AI2026

Memento-Skills: Let Agents Design Agents

Huichi Zhou, Siyuan Guo, Anjie Liu +14

We introduce \emph{Memento-Skills}, a generalist, continually-learnable LLM agent system that functions as an \emph{agent-designing agent}: it autonomously constructs, adapts, and…

cs.CL2026

MuRating: A High Quality Data Selecting Approach to Multilingual Large Language Model Pretraining

Zhixun Chen, Ping Guo, Wenhan Han +10

Data quality is a critical driver of large language model performance, yet existing model-based selection methods focus almost exclusively on English. We introduce MuRating, a scal…

cs.CY2025

Social World Model-Augmented Mechanism Design Policy Learning

Xiaoyuan Zhang, Yizhe Huang, Chengdong Ma +6

Designing adaptive mechanisms to align individual and collective interests remains a central challenge in artificial social intelligence. Existing methods often struggle with model…

cs.CL2025

MuBench: Assessment of Multilingual Capabilities of Large Language Models Across 61 Languages

Wenhan Han, Yifan Zhang, Zhixun Chen +7

Multilingual large language models (LLMs) are advancing rapidly, with new models frequently claiming support for an increasing number of languages. However, existing evaluation dat…

cs.CL2025

ATLaS: Agent Tuning via Learning Critical Steps

Zhixun Chen, Ming Li, Yuxuan Huang +3

Large Language Model (LLM) agents have demonstrated remarkable generalization capabilities across multi-domain tasks. Existing agent tuning approaches typically employ supervised f…