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data science

3,822 papers

#computer vision Review Aug 2026

REFINE: A Multi-Agent LLM Approach for Evidence-Guided Code Refactoring

This work introduces REFINE (Refactoring with Evidence-aware Flow for Integrated ageNtic Execution), a tool-agnostic, evidence-aware multi-agent approach for generating Java file-level refactoring candidates that achieves a higher median code-smell reduction with smaller edits and fewer public-method removals.

Muhammad Waseem, Aakash Ahmad, Pekka Abrahamsson · 0 citations
#machine learning Preprint Aug 2026

Interpretable AI with Local Distillation

Local distillation is proposed, in which a black-box teacher guides a regularized linear"student" model at each query point, and it is proved that this randomization yields feature-selection probabilities that are stable under small perturbations of the training responses.

Erin Craig, Yiling Huang, Snigdha Panigrahi · 0 citations
#natural language process... Preprint Aug 2026

QUASAR: Lowering the Loss Floor of Quantization-Aware Training with Loss-Aware Reconstruction

QUASAR is introduced, a QAT method that continuously performs lightweight, loss-aware reconstruction in the training loop to lower the loss floor and improve the resulting low-bit model, establishing QUASAR's objective as a principled optimization target.

Vincent Counathe, Ben Athiwaratkun, C. De Sa et al. · 1 citation
#machine learning Preprint Aug 2026

SR-OPSD: Self-Referenced On-Policy Self-Distillation

Extensive experiments across scientific evaluation, mathematical reasoning, and coding generation tasks with multiple large language models show that SR-OPSD achieves the state-of-the-art or competitive performance across various settings.

Zhuo Sun, Entong Li, Yan-Long Zhao et al. · 0 citations
#data science Preprint Aug 2026

Minimax Optimal Early-Stopped Gradient Descent for Gaussian Mixture Classification

This work shows that early stopping can overcome suboptimality: in a Gaussian mixture model with label-flipping noise, GD stopped at an appropriate oracle time achieves minimax-optimal excess zero-one risk for covariance spectra with fast and continuous decay, including polynomial and exponential spectral decays.

Alex Buna, S. Liu, Patrick Rebeschini · 0 citations
#machine learning Preprint Aug 2026

Comparing Corrupted Constrained Learning Problems

A generalized data processing inequality is formulated, requiring the constrained Bayes risk of a joint distribution to lower bound the constrained Bayes risk on the stochastically modified distribution, regardless of the choice of distribution, to be equivalent to a set containment condition on a specific function set...

Laura Iacovissi, Rabanus Derr, Robert C. Williamson · 0 citations
#data science Preprint Jul 2026

Deep Gaussian Processes on Directed Acyclic Graphs

A structured variational approximation is offered that retains graph dependencies, preserves compositional uncertainty, and captures the explaining-away behaviour of colliders, attaining state-of-the-art performance while recovering low-fidelity contributions and yielding interpretability of the simulator hierarchy.

Federico L Perlino, Oliver Hamelijnck, A. M. Johansen et al. · 0 citations
#data science Preprint Jul 2026

Linear Independent Component Analysis via Optimal Transport

It is proved that the Wasserstein distance between a standard normal distribution and linear projections of the data is maximized when the projection recovers an independent component, and the OT-ICA algorithm which finds this projection by gradient-based optimization is proposed.

Ashutosh Jha, M. Besserve, Simon Buchholz · 1 citation
#data science Jul 2026

Simple-regret rates and minimax optimality of fixed-prior expected improvement in Matérn and squared-exponential RKHSs

We study expected improvement (EI) for minimizing a deterministic function $f$ in the RKHS $\mathcal H_k$ of a continuous positive-semidefinite kernel $k$ on a nonempty compact set $\mathcal X\subset\mathbb R^d$. Function values are observed exactly, and EI is computed from a fixed zero-mean Gaussian-process model with...

Emmanuel Vazquez, S. Petit · 0 citations

Online Learning-to-Defer with Varying Experts

An online multiclass L2D algorithm that combines queried-action bandit feedback with a dynamically varying pool of experts is introduced that achieves expected true-deferral regret under a concentrated-score condition.

Duy Hoang Dang, Yannis Montreuil, Maxime Meyer et al. · 5 citations

Robust Assortment Optimization from Observational Data

This work uncover and identify the notion of ``robust item-wise coverage''as the minimal data requirement to enable sample-efficient robust assortment learning and bridges the gap between robustness and statistical efficiency in assortment learning.

Miao Lu, Yuxuan Han, Han Zhong et al. · 0 citations

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Hugging Face Blog Nov 10, 2026

Decision Models in Hugging Face

We’re on a journey to advance and democratize artificial intelligence through open source and open science.

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