Author

Yumeng Dai

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#machine learning Preprint Sep 2026

HOPE: Heterophily-Aware Open-Set Node Classification with Pseudo-Extrapolation

To adapt open-set graph neural networks to heterophilic scenarios, HOPE uses a structure-augmented feature initialization layer to capture multi-hop structural patterns, and introduces a heterophily-guided pseudo-extrapolation strategy to enhance unknown-class rejection.

Yumeng Dai, Yue Tan, Yi-Xin Liu et al. · 0 citations