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stat.ML2026
Information Geometry of Absorbing Markov-Chain and Discriminative Random Walks
Masanari Kimura
Discriminative Random Walks (DRWs) are a simple yet powerful tool for semi-supervised node classification, but their theoretical foundations remain fragmentary. We revisit DRWs thr…
stat.ML2024
Geometric Insights into Focal Loss: Reducing Curvature for Enhanced Model Calibration
Masanari Kimura, Hiroki Naganuma
The key factor in implementing machine learning algorithms in decision-making situations is not only the accuracy of the model but also its confidence level. The confidence level o…