Author

Jiawei Chen

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Preprint Oct 2026

OmniSimulator: Aligning Small Language Models for Authentic Heterogeneous Behavior Modeling

Large language models (LLMs) have shown great potential as general-purpose user simulators for interactive systems. Prior studies have demonstrated that training on high-quality data can substantially improve model reasoning and downstream task performance. However, the upper bound of user simulation is still constrain...

Jiawei Chen, Ruo-Xi Xu, Boxi Cao et al. · 0 citations

Navigating the Inﬁnite Dynamic Web Space: Effective In-Context Exploration via Cognitive Multi-Agent Collaboration

Inspired by the human cognitive planning process, HintNav-igator achieves state-of-the-art performance among open-source LLM agents, surpassing proprietary model Claude-3.5 Sonnet on the WebArena benchmark.

Guozhao Mo, Yan-Jiang Liu, Yafei Shi et al. · 0 citations