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data science

3,686 papers

#machine learning Preprint Open access Sep 2026

Online Bayesian Node Classification on Inductive Graphs under Distribution Shift

On evolving graphs, node classifiers must satisfy two key requirements: inductive generalization to newly arriving nodes under distribution shift and calibrated uncertainty for safety-sensitive applications. Standard graph neural networks (GNNs) are typically trained once and address neither requirement. We adapt the B...

Jinwen Xu, Gonzalo Mateos Buckstein, Qin Lu · 0 citations
#machine learning Preprint Sep 2026

Curvature-Independent Regret Bounds for Distributed Online Optimization on Hadamard Manifolds

This work establishes the first curvature-independent regret guarantees for decentralized online optimization on Hadamard manifolds, and studies Distributed Riemannian Online Gradient Descent, which combines local Riemannian h-subgradient updates with an implicit Fr\'echet-mean consensus.

Zhan-Yuan Cai, Emre Sahinoglu, Shahin Shahrampour · 0 citations
#artificial intelligence Preprint Sep 2026

On the Equivalence of Stochastic Control and Path Space Formulations for Schr\"odinger Bridges over Compact Connected Lie Groups

We establish the equivalence between the stochastic optimal control and path space formulations of the Schr\"odinger bridge problem (SBP) for the kinematic equation on a compact connected Lie group. Using the geometric concepts of horizontal lift and stochastic anti-development, we derive a Girsanov-type change-of-meas...

H. Mahmood, Georgiy A. Bondar, Abhishek Halder et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Certifiably Interpretable Training of ReLU-MLPs for Boolean Tasks with Guaranteed Truth-Table Generalization

As compute scales, models evolve, and training algorithms advance, our ability to explain the increasingly powerful AI systems they enable is eroding. To help safeguard interpretability, we introduce a specialized training algorithm (MACCHIATO) that jointly constructs (i) an explicitly structured $\operatorname{ReLU}$-...

Hrad Ghoukasian, Anastasis Kratsios · 0 citations
#artificial intelligence Preprint Open access Sep 2026

Adaptive Conformal Redistribution for Inter-class Transitional Uncertainty in Medical Image Classification

Medical image classification is frequently complicated by transitional categories whose feature distributions overlap those of adjacent classes, producing ambiguous decision boundaries. Conformal prediction returns uncertainty-aware prediction sets, but these are not directly actionable in clinical screening, where a s...

Saibal Ghosh, Samarup Bhattacharya, Sanjoy Kumar Saha et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Chemical and geometric representation fidelity improves drug--target affinity prediction

ReGeoDTA is developed, a representation-preserving framework that maintains affinity-relevant chemical heterogeneity in molecular representations and continuous geometric relationships in protein structures that identifies representation fidelity as an upstream design principle for accurate and generalizable drug--targ...

Yi-Xiao Li, Yi-Ning Qian, Ye-Fan Chen et al. · 0 citations

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GPT-Lab Nov 3, 2026

Sovereignty Is the Option to Leave

Is your company’s AI sovereign? A practical guide for CIOs on AI vendor lock-in, EU Data Act switching, cloud sovereignty, and testing your exit plan before you need it. The post Sovereignty Is the Option to Leave appeared first on GPT-Lab.

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