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data science

2,791 papers

#machine learning Preprint Sep 2026

A Hilbert-Valued Functional Decomposition Framework for Explaining Time-Dependent Outputs

This framework introduces kernel-based output representations that enable time-dependency-aware explanations at multiple levels of temporal granularity, including time-specific, time-resolved, and time-aggregated, while providing a unified view in which existing methods arise as special cases.

S. Langbein, Niklas Koenen, Marvin N. Wright et al. · 0 citations
#machine learning Preprint Sep 2026

Weighted Empirical Risk Minimization for Machine Learning under Long-Range Dependence: Exact Pathwise Rates and Learning-Error Geometry

We develop an exact almost-sure learning theory for smooth parametric models trained by regularly weighted empirical risk minimization on long-range dependent data. The training observations are generated from a fixed finite window of a stationary Gaussian sequence, and the sample weights are regularly varying. If the...

E. Moldavskaya · 1 citation
#machine learning Preprint Sep 2026

A Quantum-Inspired Dequantization Method for Diagonally Weighted Matrix Functions: Application to Learning with Optimized Random Features

The results show that the factorization underlying a quantum block encoding can itself provide sufficient classical structure even when sampling-and-query access to the composite matrix is unavailable, suggesting a classical sampler with prescribed accuracy and polynomially related runtime.

Natsuto Isogai, M. Murao, Hayata Yamasaki · 0 citations
#machine learning Preprint Sep 2026

Black-Box Membership Inference via Word-Level Probability Estimation

Word-level Probability MIA (WPMIA) is proposed, a statistically principled MIA for strict black-box privacy auditing that estimates word-level generation probabilities via Monte Carlo sampling with local kernel smoothing, then aggregates these estimates into a sequence-level likelihood estimator.

Sheng-Jie Niu, Ye-Heng Ge, Jian Huang · 0 citations
#machine learning Preprint Aug 2026

Supply Chain Analytics: A Data-Driven Approach

This text provides the foundational tools necessary for designing resilient, data-driven automated systems, and serves as both a theoretical blueprint and an algorithmic guide for researchers and practitioners operating at the intersection of machine learning, mathematical optimization, and applied probability.

Elioth Sanabria · 0 citations
#artificial intelligence Preprint Sep 2026

General Quantification of Covariate and Concept Shifts

This paper proposes a key notion: $\gamma^{*}\!$-concept shifts, and derive a general error bound unifying covariate and $\gamma^{*}\!$-concept shifts, which applies to broad loss functions, label spaces, and stochastic labeling and develops estimators for these shifts with concentration guarantees.

Hong-Bo Chen, L. Xia · 0 citations
#machine learning Preprint Sep 2026

RDDMPI: Residual Denoising Diffusion Model for Probabilistic Multivariate Time Series Imputation

This work proposes RDDMPI, a conditional residual diffusion framework that operates directly in residual space, and reformulates probabilistic imputation as a baseline-residual decomposition, where a pretrained model captures the dominant signal and a diffusion process models the residual uncertainty.

Ramiro Valdes Jara, David Chapman, Adam Meyers · 0 citations
#machine learning Preprint Sep 2026

Generalized Score Matching for Parameter Estimation on Convex Domains

This work derives the generalized score matching objective on a convex subset of $\mathbb{R}^{d}$ constructively starting from Minimum Probability Flow (MPF) learning, and shows how classical score matching as well as domain-adapted variants for non-negative data arise naturally within the proposed framework.

Nishanth Shetty, Saisuchith Mahajan, C. Seelamantula · 0 citations
#machine learning Preprint Open access Sep 2026

Hierarchical Clustering Can Jointly Satisfy Richness, Consistency, and Scale Invariance

Despite its ubiquity, clustering lacks a universally accepted definition of what is a cluster. Kleinberg's Impossibility Theorem formalizes this difficulty by showing that no flat clustering method can simultaneously satisfy three natural axioms: scale invariance, richness, and consistency. In this paper, we ask whethe...

Daichi Kuroda, Maximilien Dreveton, Matthias Grossglauser et al. · 0 citations
#artificial intelligence Preprint Open access Sep 2026

Importance Weighting for Unlabeled-unlabeled Learning under Distribution Shift

Unlabeled-unlabeled (UU) learning allows us to learn a binary classifier from two sets of unlabeled data with different class-priors. It is a general framework because it includes a wide variety of supervised learning such as positive-unlabeled (PU) learning, noisy label learning, and similarity-based learning. Existin...

Atsutoshi Kumagai, Tomoharu Iwata, Hiroshi Takahashi et al. · 0 citations
#machine learning Preprint Sep 2026

Phases in a class of associative memories via hidden neurons

This paper studies the bipartite architecture of Krotov and Hopfield, whose model is fixed by a Lagrangian for each layer, taking the hidden neurons as the order parameter of retrieval, and splits retrieval into two roles, the visible Lagrangian fixing stability and the hidden one the storage scale.

Toshihiro Ota, M. Taki · 0 citations

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