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Author

Shuxin Liu

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Open access 2026

Evolving to Evade: Exposing and Mitigating LLM-Assisted Persona Camouflage in Social Bot Detection

: Large language models (LLMs) are reshaping social bot detection by decoupling automated intent from surface-level expression. This decoupling weakens a central assumption behind contemporary detectors: that an account’s textual persona, profile metadata, and graph position remain jointly stable across evaluation. An...

Zhen-Yuan Wang, Li-Xin Ji, Shu-Xin Liu · 0 citations
Jul 2026

G2VD: Generalizable AI-Generated Video Detection via Counterfactual Intervention and Causal Disentanglement

G2VD introduces a counterfactual intervention pipeline (CFIPipeline) that constructs counterfactual samples through VAE-based reconstruction and subsequent frequency-domain and pixel-domain alignment, thereby weakening spurious correlations between domain-specific bias and authenticity labels and design a causal disent...

Meng Du, Hongchang Chen, Ran Li et al. · 0 citations

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