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machine learning

16,412 papers

#machine learning Preprint Oct 2026

Language Models for Page-Level Layout Decisions in E-commerce Search

E-commerce search pages are critical touchpoints for millions of online shoppers. While traditional search engines return a ranked list of results, modern E-commerce search pages increasingly incorporate recommender system modules -- for example, secondary stacks that surface alternative product groupings at specific p...

Varun Joshi, Eva C. Song, Cheng-Xiang Zhai · 0 citations
#machine learning Preprint Open access Oct 2026

How Hackable Is Your Speech Quality Metric? A Corrected Protocol, a Benchmark, and What Patching Buys

Speech quality predictors are increasingly used as rewards, yet no agreed measure of their hackability exists. The usual measurement has two flaws. First, the perturbation reaches the predictor through a processing chain -- here a neural codec -- that shifts the score on its own, which scoring against the raw input cha...

Ali Alavi, Donald S. Williamson · 0 citations
#machine learning Preprint Oct 2026

Gen-PINNs: Generative Adversarial Physics Informed Neural Networks for solving partial differential equations

Physics-Informed Neural Networks (PINNs) are a widely used data-free method for solving Partial Differential Equations (PDEs) using machine learning. With recent advances in Generative Adversarial Networks (GANs), adversarial learning has shown strong capabilities for modeling complex data-driven problems; however, the...

Muhammad Akmal, K. Sepehrnoori, Michael J. Pyrcz · 0 citations
#machine learning Preprint Oct 2026

Barron Optimal Transport I: Generative Modeling

This work quantifies the suboptimality of diffusion generative modeling in the Barron geometry by establishing super-polynomial score approximation lower bounds for data generated by neural network pushforwards of the Gaussian.

Evan Dogariu, Joan Bruna · 0 citations
#machine learning Preprint Open access Oct 2026

Shape irregularity of Life-Like Network Automaton rules as an indicator of classification performance

Complex Network (CN) classification requires high-level structural characterizations that are both scale-invariant and computationally efficient. Methods based on Life-Like Network Automata (LLNA) offer an interesting way to extract network descriptors by leveraging emergent temporal patterns without requiring provided...

Lucas C. S. Oliveira, Michiel Rollier, Jan Baetens et al. · 0 citations
#machine learning Preprint Oct 2026

KDFP: A first-principles approach to knowledge distillation in large language models

Knowledge distillation is an established technique for improving the capabilities of small, efficient student models by training them with the representations of larger, more capable teacher models. Much of the recent work in the distillation of large language models (LLMs) has focused on distilling abilities learned d...

Ryan Swift, Konstantinos Psounis · 0 citations
#machine learning Preprint Open access Oct 2026

Similar Predictive Fit but Different Latent Dynamics: Characterizing Learned Dynamical Structure in Personalized Models of Brain Disorders

As AI models move toward clinical decision-making and personalized treatment, understanding \emph{what} a model learns is important beyond predictive accuracy alone. We investigate whether personalized latent dynamics reveal clinically associated differences even when predictive fit is similar. A lightweight CNN--Trans...

Rita Huan-Ting Peng, Nhat Bui · 0 citations
#machine learning Preprint Open access Oct 2026

Amortized Off-Policy Evaluation for LLMs

Accurate evaluation is central to selecting which LLM to deploy, yet testing a candidate on live traffic exposes real users to an unvetted model. Teams therefore evaluate candidates offline, on data produced by already-deployed models. This is off-policy evaluation (OPE), and it faces two distribution shifts: as a mode...

Younwoo Choi, Leo Feng, Vincent Liu et al. · 0 citations
#machine learning Preprint Oct 2026

MotherTree: Meta-learning on synthetic data improves decision tree training

Conventional decision tree algorithms produce effective, transparent models that can be audited, communicated, and deployed independently of the training data, but require learning every new task from scratch. In contrast, tabular foundation models demonstrate that meta-learning from a synthetic prior distribution enab...

Zi-Yu Wang, Fredrik D. Johansson · 0 citations
#machine learning Preprint Open access Oct 2026

Evaluating Rubric Generation with Interventional Transfer

Instance-specific rubrics are common in AI benchmarks where reliable evaluation requires specific expert knowledge. This approach is difficult to scale, prompting research into the generation of rubrics with large language models (LLMs). However, even when expert rubrics are available as references, it is unclear how t...

Erik Skalnes, Layne C. Price, Raviteja Anantha et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Controlled Acquisition and Abstention in Three-Channel Score Conflicts

When audio, video, and text disagree, accuracy alone does not show whether to acquire another source or abstain. We study these choices in a controlled three-score benchmark: a policy observes two signed scores, may request the third at a cost, and can abstain. The primary reward is mechanism-specific: abstention is co...

Mengzhe Geng · 0 citations
#machine learning Preprint Oct 2026

Symbolic Density Estimators for Unnormalized Distributions

Estimating the symbolic or analytical form of probability density functions (PDFs) from observed samples is a fundamental challenge in statistical and computational modelling. This process is critical for deriving interpretable and generalizable relationships characterizing the underlying phenomenon. Traditionally, thi...

V. Kanaujia, Riyansha Singh, Shashank Sharma et al. · 0 citations

From tech blogs

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MIT News · Artificial Intelligence Oct 28, 2026

Making machines that can listen

Professor Paris Smaragdis develops computers with superhuman hearing for applications like speech recognition, music understanding, and environmental monitoring.

MIT News · Artificial Intelligence Oct 23, 2026

Q&A: How AI came to model the “messy” human mind

Assistant Professor Benjamin Lindquist studies how engineers deliberately injected randomness into early AI, giving rise to deep-learning models that sometimes hallucinate.

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