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14,353 papers

#machine learning Preprint Oct 2026

Accelerating Linear Bandits with Persistent Candidate Sets

Exhaustive optimistic scoring can make action selection costly in linear bandits with a large fixed set of $K$ actions, requiring $\mathcal{O}(K)$ score evaluations per round. We introduce Persistent Candidate LinUCB (\textsc{PC-LinUCB}), which maintains $k$ active actions and samples $q$ challengers uniformly from the...

Bing-Kui Tong, Daria Korovaitceva, M. Sheshukova et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Why Linear Models Can Still Work in a Complex and Changing World

Linear models can predict well in complex domains even when underlying mechanisms are nonlinear. We argue that this can occur because the complexity of the world exceeds the complexity that can be learned reliably from finite, partially observed data. Flexible models can exploit curvature, thresholds, and interactions...

Fangzhou Lin, Dengzhe Hou, Yinxing Li et al. · 0 citations
#machine learning Preprint Oct 2026

PlacePulse: Learning Transferable Place Representations from Structural Geographic Data

Geospatial machine learning often depends on task-specific feature engineering over large collections of sociodemographic, business, and environmental variables. Geospatial foundation models offer reusable representations of place, but leading approaches typically encode dynamic signals, such as mobility and search act...

Lucía García-Duarte, M. Álvarez, D. Vicente et al. · 0 citations
#machine learning Preprint Open access Oct 2026

BLOKS: Scaling Kernel Solvers with Sketched Block Preconditioning

Kernel Ridge Regression (KRR) is a theoretically sound algorithm for nonparametric learning, which is also often used to investigate properties of deep learning. However, the exact KRR formulation incurs time and memory costs preventing applicability to large datasets, motivating the development of approximate solvers....

Giordano Vitale, Giacomo Meanti, Marco Rando et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Opening the Black Box of Classifier-Free Guidance via Information Bottleneck

Classifier-free guidance (CFG) is a standard technique for improving conditional generation in diffusion models, yet its activation schedule is usually selected heuristically. In practice, most existing CFG-based methods rely on a pre-defined activation policy throughout inference, while recent dynamic variants often d...

Jiayang Gao, Tianyi Zheng, Jiayang Zou et al. · 0 citations
#machine learning Preprint Oct 2026

Hidden Data Challenges in Clinical Machine Learning

Widely reused preprocessing pipelines for electronic health records can encode assumptions about when information became available, what clinical episode a label represents, and what missingness means. These assumptions are rarely audited systematically and may propagate across subsequent studies when preprocessing pip...

Carolin Cissée, Dennis Fast, Raneen Younis et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Understanding Mamba-3 Through Oscillatory Dynamics

Mamba-3 introduces input-dependent rotations into recurrent state updates, but their contribution beyond state retention remains unclear. We interpret these ro- tations as underdamped second-order dynamics, providing a framework for in- vestigating the role of oscillation in sequence modeling. Controlled comparisons sh...

Shutian Liang, Yue Song · 0 citations
#machine learning Preprint Oct 2026

AgentTune: A Unified Training Lifecycle for Tool-Using LLM Agents

Tool-using agents increasingly require a common substrate for building, training, evaluating, distilling, and maintaining agentic systems, yet existing tooling typically addresses these stages in isolation. We present AgentTune, a source-available Python library that provides a unified framework for developing and opti...

R E Zera Marveen Lyngkhoi, Abhivansh Gupta, Vidushee Vats et al. · 0 citations
#machine learning Preprint Open access Oct 2026

PDE-PFN: Prior-Data Fitted Neural PDE Solver

Motivated by the success of large language models (LLMs) with broad generalizability and robustness to noisy or unreliable pre-training data, we explore in-context prediction of PDE solution fields using approximate pre-training data. In addition, inspired by the posterior predictive mean-based inference mechanism of t...

Jaehyeon Park, Mingu Kang, Dongseok Lee et al. · 0 citations
#machine learning Preprint Oct 2026

DuoRate: Two-Rate Per-Expert Precision Allocation for Mixture-of-Experts Serving

Serving a Mixture-of-Experts (MoE) model pays for expert precision twice: the resident footprint pays for every expert the router can reach, while each batch-one decode step pays only for the experts it selects. These are two different rate functionals over the same per-expert widths, yet published per-expert MoE alloc...

Meng-Qi Guo, Zhe Wei, Yuan Yuan et al. · 0 citations
#machine learning Preprint Open access Oct 2026

SBNO : Schr\"odinger Bridge Neural Operator for the Forward and Inverse Problems under Missing Information

Partial differential equation (PDE) surrogate modeling often relies on either dense observations or access to governing equations/physics constraints. In practice, observations can be sparse and partial, and the underlying physics may be partially specified or unavailable. We introduce SBNO, an equation-free paired-dat...

Jaehyeon Park, Inhyeok Jeong, Noseong Park · 0 citations
#machine learning Preprint Open access Oct 2026

Sustainable Cloud-Fog-Edge Systems for Smart Buildings: Algorithmic Adaptation under Memory Constraints and Dynamic Orchestration Strategies

The escalating environmental footprint of the Information and Communication Technol- ogy (ICT) sectorwith global Data Center electric- ity usage potentially reaching 3% by 2030 and the imperative for real-time responsiveness in smart buildings demand a foundational shift towards Edge Computing. This article proposes a...

Mamadou Sow, Christophe Cerin · 0 citations

From tech blogs

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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.

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