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Zhixun Chen

3 accepted papers

2025

ATLAS: Agent Tuning via Learning Critical Steps

ACL 2025finding

Large Language Model (LLM) agents have demonstrated remarkable generalization capabilities across multi-domain tasks. Existing agent tuning approaches typically employ supervised finetuning on entire expert trajectories. However, behavior-cloning of full trajectories can introduce expert bias and we…

Cited by 0SourcePDFScholar
2025

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

NeurIPS 2025poster

Data quality is a critical driver of large language model performance, yet existing model-based selection methods focus almost exclusively on English, neglecting other languages that are essential in the training mix for multilingual LLMs. We introduce MuRating, a scalable framework that transfers h…

Cited by 0SourceScholar
2025

Social World Model-Augmented Mechanism Design Policy Learning

NeurIPS 2025poster

Designing adaptive mechanisms to align individual and collective interests remains a central challenge in artificial social intelligence. Existing methods often struggle with modeling heterogeneous agents possessing persistent latent traits (e.g., skills, preferences) and dealing with complex multi-…

Cited by 0SourceScholar