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Yichen Xiao

3 papers indexed here

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Book Open access Aug 2026

Think Less, Act Warranted: Efficient Tool-Integrated Reasoning via Dual-Efficiency Regularization

Recent methods using Reinforcement Learning (RL) have improved Tool-Integrated Reasoning (TIR) by training large language models to learn end-to-end policies for multi-step tool usage, enabling them to solve complex tasks more effectively. Despite these advances, existing methods often suffer from overthinking at both...

Yichen Xiao, Siyu Gong, Linan Yue · 0 citations
Preprint Jul 2026

AI-generated Images Challenge Visual Trust in High-risk Scenarios

SafeIMG is introduced, a safety-oriented benchmark spanning 12 public- and individual-safety scenarios generated using GPT Image 2.0 that provides human annotations that localise suspicious regions and explain local artefacts and higher-level commonsense or physical inconsistencies.

Yizhi Wang, Yichen Xiao, Linan Yue et al. · 0 citations

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