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Naga Venkata Sai Jitin Jami

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#artificial intelligence Preprint Sep 2026

Not All Nodes Are Created Equal: Homophily-Aware Stratification for Stable GNN Evaluation

Graph neural networks are widely used for transductive node classification, with accuracy typically measured on randomly drawn train/validation/test splits. Reported accuracy has been shown to shift substantially across different random splits of the same dataset, making published comparisons between architectures unre...

Naga Venkata Sai Jitin Jami, Thomas R. Altstidl, S. Hoefler et al. · 0 citations

Preprint Aug 2026

You Only Flow Once: Calibrated and Real-Time Radar Pose Estimation with Multi-Hypothesis Normalizing Flows

This work proposes Multi-Hypothesis Normalizing Flow Pose Generator (MH-NFPG), which models pose distributions from radar point clouds using a conditional normalizing flow that transforms a Laplace base distribution into an expressive posterior, generated in parallel through a single forward pass.

J. Mueller, S. Hoefler, D. Zanca et al. · 0 citations