Author

Haichao Shi

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#artificial intelligence Preprint Oct 2025

CogniDir: Combating Cognitive Malicious Comments via Adaptive Distributional Learning for Robust Fake News Detection

CogniDir is introduced, an adaptive distributional learning framework that reformulates robust detection as a dynamic data mixture optimization problem for social media content safety by formalizing mechanism-specific cognitive adversarial paradigms to systematically expose deep-seated detector vulnerabilities.

Zhao Tong, Chun-Lin Gong, Yimeng Gu et al. · 3 citations

Preprint Jul 2026

Private Face Recognition Training Dataset Publication via Identity-Decoupled and Geometry-Preserving Face Distillation

Private Face Distillation is proposed, an identity-decoupling and geometry-preserving framework that uses Orthogonal Geometry Preservation to construct decoupled proxy identities from private identity representations while maintaining hyperspherical geometry, and Relational Topology Alignment to preserve identity relat...

Shuhuan Chen, Xiangyu Zhu, Weisong Zhao et al. · 0 citations

Conference Open access 2026

RLShield: Dynamic Jailbreak Detection for LLMs via Reinforced Adaptive Learning

RLShield is a dynamic jailbreak detection framework that employs reinforcement learning for adaptive threshold selection and incorporates three key innovations: a dynamic retrieval and LLM-based rewriting module to simulate diverse adversarial contexts; a cross-layer representation analysis to pinpoint safety-critical...

Zhao Tong, Pengfei Yang, Yimeng Gu et al. · Annual Meeting of the Associ... · 0 citations