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Xiaoou Liu

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#artificial intelligence Preprint Oct 2026

GeoReform: Reflective Formalization Evolution for Multimodal Geometry Problem Solving

Multimodal large language models (MLLMs) often struggle to identify and use geometric relations in diagrams. Recent methods address this challenge by converting geometric entities, relations, and constraints into explicit textual representations for the model to reason over. However, effective formalization is highly n...

Jia-Lu Wang, Rui-Chen Zhang, Xia-Oou Liu et al. · 0 citations
Preprint Aug 2026

AndroidReality: How Far Are Mobile Agents from the Real World?

This work introduces AndroidReality, a perturbation-based framework for evaluating and improving the robustness of mobile agents, and builds a perturbed mobile benchmark on top of AndroidWorld with realistic and controllable perturbation injections, enabling systematic robustness evaluation of mobile agents.

Xia-Oou Liu, Longchao Da, Hanyang Chen et al. · 2 citations

Uncertainty Quantification for Physics-Informed Traffic Graph Networks with Adversarial Attacks

This paper integrates multiple UQ baseline methods with physics-informed modeling to systematically investigate how physical constraints influence uncertainty estimation in traffic forecasting and proposes a physics-informed loss function that enhances the model's ability to capture physically consistent dynamics and i...

Tianshu Bao, D. T. Nguyen, Xia-Oou Liu et al. · 0 citations
#artificial intelligence Preprint Sep 2026

MASkills: Continual Skills Optimization for Multi-Agent LLM Systems

MASkills presents a new agent-optimization pipeline that integrates skill-conditioned credit assignment, hierarchical credit aggregation, and momentum-smoothed optimization, enabling agent skill libraries to evolve through refinement, induction, consolidation, and pruning.

Huai-Yuan Yao, Xia-Oou Liu, Charles Fleming et al. · 2 citations · ⚡1

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