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machine learning

12,814 papers

#machine learning Preprint Sep 2026

AcoustiClaim: A Numeric Claim Benchmark with Instrument Ground Truth

Audio language models state numbers for acoustic quantities, and neither human opinion nor a judge model says whether such a number is true of the signal. AcoustiClaim extracts each numeric claim from free text, scores it against the instrument that defines the quantity, and classes each quantity by where its reference...

Sheng-Tse Lin, Si-Yuan Zhai, Chien-Liang Kuo et al. · 0 citations
#machine learning Preprint Open access Sep 2026

Scaffold-Constrained Subset Dynamic Programming for Exact SSE Clustering

Exact Euclidean \(K\)-means partitions \(n\) observations into \(K\) unlabelled clusters, but the unrestricted search is generally exponential. We use data-derived geometric graphs to precondition an exact subset dynamic program: as a result only connected vertex subsets are admitted as clusters, while sum-of-squared-e...

Yordan P. Raykov, Max A. Little · 0 citations
#machine learning Preprint Sep 2026

Bayesian Uncertainty Quantification for fMRI Functional Connectivity via Simulation-Based Inference

Together these findings provide concrete, scanner-specific guidance for protocol optimization, with direct implications for reducing acquisition costs and improving the reliability of connectivity-based clinical biomarkers, and provide code enabling researchers to derive principled uncertainty bounds from their own dat...

Simon Carter, Ze-Ming Kuang, L. Mujica-Parodi et al. · 0 citations
#machine learning Preprint Sep 2026

An End-to-End Pipeline for Causal ML with Continuous Treatments: An Application to Financial Decision Making

An end-to-end causal machine learning pipeline designed for real-world applications with continuous treatments that offers a more computationally efficient approach and produces less biased estimates compared to standard methods for problems with continuous treatment and high-dimensional data is presented.

Javier Moral, Clara Higuera-Cabañes, Álvaro Ibrain · 2 citations
#machine learning Preprint Sep 2026

Low-Rank Friction for Memory-Efficient Transformer Pretraining

iKFAD is a recently proposed optimiser that replaces adaptive learning rates with adaptive friction in the momentum dynamics, yet performs as well as Adam. Its limitation is that the full friction tensor $\xi\in\mathbb{R}^{m\times n}$ carries the same $\mathcal{O}(mn)$ memory overhead per layer as Adam's second-moment...

Rajit Rajpal, B. Leimkuhler · 0 citations
#machine learning Preprint Sep 2026

Adaptive Random Matrices in Gaussian Bandits: Spectral Universality and Selection-Induced Outliers

Adaptive arm selection changes the distribution of the observations collected by a bandit algorithm, but it need not change their limiting empirical spectrum. We study Gaussian bandit designs in which the dimension and the number of observations grow proportionally. A quantitative coupling theorem compares the design g...

Sudarshan Manikantan, Abhishek Bhattacharjee · 0 citations
#machine learning Preprint Sep 2026

Manifold Projection and Iterative Autoencoder Refinement for Masked Language Modeling

This work replaces attention with a stack of autoencoder-based mixing modules, one operating over local neighborhoods, one over the full sequence, and one across attention heads, each compressing and reconstructing its input through a bottleneck, and its width is a hyperparameter rather than a training effect.

Narges Mokhtari, F. Haddadi, Ebrahim Rezaii · 0 citations
#machine learning Preprint Open access Sep 2026

Distribution of hitting times for dissipative random dynamical systems on $\mathbb{R}^d$, with application to stochastic gradient descent

Machine Learning and more specifically Deep Learning involves solving large scale nonconvex optimization problems. Several algorithms have been proposed in the literature, that seem to achieve satisfactory practical efficiency for difficult instances, the Stochastic Gradient Method being the most rudimentary, while sti...

St\'ephane Galatolo, St\'ephane Chr\'etien · 0 citations
#machine learning Preprint May 2026

Persistent Homology of Time Series through Complex Networks

A unified pipeline for univariate time series classification via complex networks and persistent homology is presented, showing that no single construction dominates and persistence-based features degrade gracefully under noise, consistent with the classical stability theorem of persistent homology.

İsmail Güzel · 0 citations
#machine learning Preprint Open access Sep 2026

A New Non-archimedean Metric on Persistent Homology

In this article, we define a new non-archimedean metric structure, called cophenetic metric, on persistent homology classes of all degrees. We then show that zeroth persistent homology together with the cophenetic metric and hierarchical clustering algorithms with a number of different metrics do deliver statistically...

\.Ismail G\"uzel, Atabey Kaygun · 0 citations

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Microsoft Research Blog Oct 12, 2026

Simulating student learning for better AI tutoring

StudentSim is a research system for evaluating and improving AI tutoring tools before they are tested with learners. It models how individuals may engage with tutors, giving feedback to improve tutor performance across subjects like chess, writing, and mathematics. The post Simulating student learning for better AI tutoring appeared first on Microsoft Research.

MIT News · Artificial Intelligence Oct 7, 2026

Discovering the value of humanistic inquiry

Students in MIT’s Concourse program delve deeply into the human condition, debate challenging questions, and learn to develop judgment about issues that can’t be quantified.

Microsoft Research Blog Oct 7, 2026

Agent Lightning v1.0: A 3,500-Line Lightweight Agentic RL Framework for Training Agents with Real Harnesses

Training AI agents with reinforcement learning can be challenging because their tools, context, and decision-making are managed by complex frameworks. Agent Lightning connects existing agents to RL training, making it easier to improve them without rebuilding them. The post Agent Lightning v1.0: A 3,500-Line Lightweight Agentic RL Framework for Training Agents with Real Harnesses appeared first on Microsoft Research.

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