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Han-Ning Lu

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#machine learning May 2026

SAHG: Sector-Anisotropic Hyperbolic Graph Model for Social Bot Detection

SAHG (Sector-Anisotropic Hyperbolic Graph) learns a direction-dependent curvature field $\gamma(u)$ that adapts geometric resolution across structural directions, and uses sector prototypes to convert angular concentration and alignment into classifier-readable features.

Han-Ning Lu, Ying-Guang Yang, Jinwei Su et al. · 1 citation

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