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data science

3,686 papers

#machine learning Preprint Nov 2025

Autonomous-Flow-Based Generation

By linearly lifting the domain into one higher dimension, a universal approximation result is obtained for Lipschitz functions compactly supported on $(0,1)^d$ with rate $\mathcal{O}(P^{-1/(d+1)})$ with $P$ parameters.

Hossein Rouhvarzi, Anastasis Kratsios · 1 citation

Label Differential Privacy via Aggregation

This paper demonstrates that aggregating labels from sub-sampled disjoint $k$-sized bags using i.i.d. weights allows for similar label-DP guarantees when aggregating labels over random disjoint bags, while preserving the utility of Lipschitz-bounded neural mse-regression tasks.

Anand Brahmbhatt, Rishi Saket, Shreyas Havaldar et al. · 1 citation · ⚡1
#artificial intelligence Preprint Sep 2026

Generative Marketing Mix Modeling: A Causal Inference Framework Linking GEO and GEM to Business Impact

This work develops Generative Marketing Mix Modeling (GMMM) to estimate the causal effects of Generative Engine Optimization and Generative Engine Marketing and investigates the empirical performance of the proposed method using simulated answers to product recommendation in English and Japanese.

Masahiro Kato, Daiki Honma, Takahide Kato · 0 citations
#machine learning Preprint Sep 2026

Near-Optimal Reinforcement Learning with Multi-Step Transition Lookahead

The problem remains hard for every discount factor, and for every fixed discount factor, exact planning remains NP-hard, and a randomized polynomial-time approximation scheme is introduced for every fixed look-ahead depth.

Corentin Pla, Hugo Richard, Marc Abeille et al. · 2 citations

Sparsity Regularized and Robust Mean Variance Portfolio Selection Under Ellipsoidal Uncertainty

We investigate mean-variance portfolio selection with an $\ell_0$-penalty to promote sparsity in asset allocations. Uncertainty in the mean return vector is incorporated through an ellipsoidal uncertainty set, yielding a robust sparse optimization framework. We characterize the structure of both local and global minimi...

Deniz Akkaya, Emre Can Yayla, Buse Sen et al. · 0 citations
#machine learning Preprint Sep 2026

Generalization Analysis of Distributed Kernel-based Robust Gradient Descent Algorithms

A novel error analysis is provided that provides substantially sharper bounds for products of operators, thereby significantly relaxing existing restrictions on the maximum number of local machines while retaining optimal learning rates for the distributed kernel-based robust gradient descent algorithm.

Jun-Yi Meng, Zheng-Chu Guo, Yuan Mao · 0 citations
#machine learning Preprint Sep 2026

Identifiability of Nonnegative Tensor Decompositions via Positive Scattering

Identifiability of tensor decompositions is often established through linear-algebraic conditions on the factor families. For nonnegative decompositions, however, positivity provides additional information that is not captured by dimension and independence alone: nonnegative terms cannot cancel, and their supports cons...

Hao-Ming Wang, Ming Yuan · 0 citations
#machine learning Preprint Sep 2026

A distribution-free certification framework for trustworthy crash-severity prediction

Crash-severity models inform screening, dispatch and site prioritization, yet are deployed without a finite-sample statement of what one prediction means. Off-the-shelf guarantees fail here, because the features that make crash severity distinctive defeat them: the KABCO outcome is ordinal, the recorded label is a fiel...

Amir Rafe, Subasish Das · 0 citations
#machine learning Preprint Sep 2026

Risk-Averse Decision Making with Multi-Level Reliability Guarantees

The problem of maximizing the weighted average of performance certificates in the presence of uncertainty about the true system state is shown to be equivalent to an optimization over nested prediction sets, connecting to the literature on conformal prediction and extending prior art on single-level risk-averse decisio...

Amirmohammad Farzaneh, Osvaldo Simeone · 1 citation
#machine learning Preprint Sep 2026

Improving the Sensitivity of Gravitational Wave Detection with Weighted Conformal Prediction

In the last decade, kilometre-scale interferometric gravitational-wave detectors have observed hundreds of compact binary mergers, the majority of which are binary black holes. However, the data are noise-dominated, and multiple independent search algorithms (pipelines) are used to enhance sensitivity and improve robus...

A. Malz, Gregory Ashton, Nicolò Colombo · 0 citations
#artificial intelligence Preprint Sep 2026

Your Model Already Knows Don't Teach It, Learn to Ask It: Soft Prompting for Few-Shot Adaptation of Vision-Language Models

Modern VLMs already encode much of what is needed for specialized domains; the challenge is learning how to ask, suggests modern VLMs already encode much of what is needed for specialized domains; the challenge is learning how to ask.

Gautam Rajendrakumar Gare, Si-Ying Li, He-Wei Wang et al. · 1 citation

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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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