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data science

3,048 papers

#data science Open access Oct 2026

Zero Trust for SQL Server: A Three-Layer Security Architecture

This study designed and empirically validated a three-layer Zero Trust architecture for Microsoft SQL Server that natively integrates instance-level authentication governance, enhanced Role-Based Access Control with Row-Level Security and Just-in-Time privilege elevation, and metadata-driven Attribute-Based Access Cont...

Maynard Capil, D. Dasig · 0 citations
#data science Preprint Jul 2026

The Zero Pattern of a Design Matrix Drives Multiple Descent in Over-parameterized Regression

Over-parameterized linear regression has been widely studied over the last decade. However, most existing works assume that the covariates are independent and that their covariance matrices are non-degenerate. In this paper, we relax both assumptions and derive deterministic equivalents for the prediction risk in a van...

Kevin Han Huang, Haoyu Ye, Somak Laha et al. · 0 citations

Subjective Risk Decomposition: A New View for Uncertainty Quantification

It is shown how epistemic and aleatoric uncertainty measures can be derived via decomposition of a subjective risk, based on a strictly proper loss, and considered a first step towards a full learning-theoretic framework for uncertainty quantification.

R. Alamri, Michele Caprio, Gavin Brown · 1 citation · ⚡1

FedSPDnet: Geometry-Aware Federated Deep Learning with SPDnet

Simulations on EEG motor imagery benchmarks show that FedSPDnet outperforms federated EEGnet in F1 score and robustness to federation and partial participation, while using fewer parameters per communication round.

Thibault Pautrel, Florent Bouchard, Ammar Mian et al. · 2 citations

Modeling Information Blackouts in Missing Not-At-Random Time Series Data

An MNAR-aware latent state-space model that combines linear traffic dynamics with a Bernoulli missingness channel whose probability depends on the latent state is studied, achieving lower P95 error, lower long-blackout RMSE, and orders of magnitude fewer stored scalar entries.

Aman Sunesh, Alan Ma, Siddarth Nilol · 1 citation

On the existence of consistent adversarial attacks in high-dimensional linear classification

A new error metric is introduced that precisely captures model vulnerability to consistent adversarial attacks -- perturbations that preserve the ground-truth labels, offering theoretical insight into the mechanisms underlying model sensitivity to adversarial attacks.

Matteo Vilucchio, Lenka Zdeborová, Bruno Loureiro · 1 citation
#machine learning Preprint May 2025

Online simultaneous inference for quantiles via smoothed stochastic gradient descent

This paper considers the estimation of quantiles via a smoothed version of the stochastic gradient descent (SGD) algorithm. By smoothing the score function with a bandwidth tied to the learning rate, we obtain estimates that are monotone in the quantile level at every iteration, while retaining the memory and computati...

Li-Kai Chen, Georg Keilbar, Wei-Biao Wu · 2 citations
#machine learning Preprint Feb 2025

Generalization Bounds for Markov Algorithms through Entropy Flow Computations

This work builds on a principled continuous-time approximation of Markov algorithms and introduces a new, exact entropy flow formula for such processes, and establishes novel connections to a well-studied family of modified logarithmic Sobolev inequalities.

Benjamin Dupuis, Maxime Haddouche, George Deligiannidis et al. · 2 citations

Deep learning based numerical approximation algorithms for stochastic partial differential equations and high-dimensional nonlinear filtering problems

A deep learning based approximation algorithm for solutions of stochastic partial differential equations (SPDEs) using a deep neural network for every realization of the driving noise process of a SPDE to approximate the solution process of the SPDE under consideration.

C. Beck, S. Becker, Patrick Cheridito et al. · 16 citations · ⚡2
#machine learning Preprint Oct 2025

Performance-Efficiency Tradeoffs in Transformers: An Approximation Theory Perspective

This work investigates how the model parameters -- mainly attention heads and head dimensions -- should be allocated across layers to balance expressivity and efficiency, and proposes principled strategies for allocating attention heads and dimensions across Transformers' layers.

Ruoxi Yu, Hao-Tian Jiang, Jingpu Cheng et al. · 1 citation

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Microsoft Research Blog Oct 15, 2026

Proof-based general-purpose computing with Magnetar

Zero-knowledge proofs can verify computing results without rerunning workloads or exposing sensitive data. Magnetar helps bring them into the mainstream with support for standard programming languages, major speed gains, and quantum-resistant security. The post Proof-based general-purpose computing with Magnetar appeared first on Microsoft Research.

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