Author

Weiyao Zhang

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Preprint Aug 2026

Unveiling Spectral Mechanisms in Training-Free LLM Text Detection

It is shown that the strength of this signal depends on text length and sampling range: spectral evidence is clearest for long, continuous, constrained generation, while short, fragmented, mixed, and edited settings require complementary confidence and fluctuation views.

Haitong Luo, Xuying Meng, Weiyao Zhang et al. · 1 citation

Conference Open access 2026

Graph-Assisted Large Language Models: A Perspective on Mitigating Intrinsic Limitations

This work presents the first systematic survey of graph-assisted LLMs from the perspective of how graph structures mitigate LLMs’ limitations, and introduces a taxonomy spanning Graph-Assisted Knowledge Augmentation, Graph-Assisted Reasoning and Planning, and Graph-Assisted LLM Collaboration.

Haitong Luo, Fali Wang, Weiyao Zhang et al. · Annual Meeting of the Associ... · 2 citations