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18,068 papers

#machine learning Preprint Open access Oct 2026

Fast and Accurate: Improving Personalized LLM Performance by Semantic Concentration Inspired Workload Split between RAG and Fine-Tuning

With ever increasing personalized large language model (LLM) services, the next question to answer is how to improve the quality of services/users' experiences, which is indicated by personalized LLM generation accuracy/quality and inference latency. Although state-of-the-art designs, e.g., parameter-efficient fine-tun...

Xingke Yang, Sicong Li, Lingfeng Yao et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Sample-Optimal Multi-Group Learning with an ERM Oracle

In multi-group learning, a single predictor must perform nearly as well as the best hypothesis in a class on every group in a rich, possibly infinite and overlapping, collection of subpopulations. The known algorithms with the optimal sample complexity keep track of every pair of a group and a hypothesis, which is impo...

Princewill Okoroafor · 0 citations
#machine learning Preprint Open access Oct 2026

A Hybrid Gaussian Process-Extreme Gradient Boosting Machine Learning Framework for Robust Knockdown Factor Prediction and Reliability-Based Design of Thin Spherical Shell Caps

Elastic buckling remains a critical concern in the design of deep spherical shell caps, given that experiments reveal a significant reduction of critical loads from those predicted by linearized eigen-buckling analysis. This discrepancy has been attributed to initial geometric imperfections and is often reconciled thro...

Budhaditya De, Rohan Majumder, Devasmit Dutta et al. · 0 citations
#machine learning Preprint Open access Oct 2026

GuidanceNFT: NFT-Based Reward Fine-Tuning of Guided Diffusion Models

DiffusionNFT (NFT) fine-tunes diffusion models toward task-specific rewards, but optimizing these rewards does not guarantee fidelity to the full prompt. Although classifier-free guidance (CFG) strengthens prompt alignment, NFT is formulated as a CFG-free method, and applying CFG to the fine-tuned velocity field can re...

Jiayin Liu, Zeyu Michael Li, Bingshuo Qian et al. · 0 citations
#machine learning Preprint Oct 2026

What Do Sparse Autoencoder Feature Discovery Scores Identify? From Activations to Interventions

Sparse autoencoder (SAE) features are typically discovered from how their activations co-vary with behaviour, yet they are often used through interventions such as steering or ablation. We take intervention attribution, the first-order effect of a specified intervention on the model output, as our estimand. For a broad...

Yi-Feng Guo, Yan-Ran Li, Xiang Chen · 0 citations
#machine learning Preprint Oct 2026

Matched Specialization, Different Adaptation: Second-Moment Structure in Shared Representations

Small Adam-trained shared-representation networks can reach equivalent selected mean readout measurements yet respond differently to the same further learning. We use state interventions to separate second-moment scale and coordinate-pattern effects, then examine their formation and time dependence. In the central two-...

Toru Takahashi · 0 citations
#machine learning Preprint Open access Oct 2026

Guarded Block Transfers for Polytope Distance: Linear Convergence with Explicit Constants and Gap-Certified Screening for SVM Training

Hard-margin SVM training is the distance problem between two convex hulls, which the Triangle Algorithm (TA) solves with a certified duality gap. We propose \emph{guarded block transfers}: $k$ Mitchell--Demyanov--Malozemov (MDM) transfers per scan are aggregated into one exact line search, guarded by a comparison with...

Mayank Gupta · 0 citations
#machine learning Preprint Open access Oct 2026

Benchmarking Deep Learning Models for Anomaly Detection in Real-World Cloud Telemetry

Modern cloud platforms generate high-dimensional, noisy telemetry from thousands of microservices. Unlike classical anomaly detection benchmarks, cloud anomalies are short-lived, irregular, and largely non-periodic, making timely detection challenging. We present an empirical benchmark of deep learning models for anoma...

Sumit Dhyani, Sougata Mukherjea · 0 citations
#machine learning Preprint Open access Oct 2026

ML-CLAPPS: A Probabilistic Framework for Imbalanced Multilabel Learning under Class Prioritization

Real-world datasets often exhibit severe class imbalance, degrading the performance of deep learning models, particularly on rare classes. While imbalance is well studied in binary and multiclass settings, it is substantially more challenging in multilabel problems due to complex label co-occurrence. In clinical applic...

Priel Hazan, Nir Almog, Noam Keidar et al. · 0 citations
#machine learning Preprint Oct 2026

Heterogeneous Structured Pruning Under Resource Constraints for Hardware-Efficient Large Language Models

Training-free pruning removes weights from pretrained large language models to reduce their deployment cost. However, existing approaches typically consider only the total number of retained weights. Consequently, their pruning decisions do not account for how target hardware stores and processes those weights. These m...

C. Barker, A. Paraskeva, J. V. van Rijn et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Who Sets the Pace of Judge Hacking? Judge Capability versus the Policy-Judge Gap

When a policy is trained with GRPO against a frozen, reference-free LLM judge, the judge accepts more of its answers, but in a post-hoc analysis we detect no gain in held-out greedy accuracy: in all 12 (policy, judge) cells, the seed-mean gain never exceeded 0.04. A gold-reward control with the same recipe raised the 1...

Haosen Wang · 0 citations
#machine learning Preprint Oct 2026

A Dependency-Aware Multi-GPU Training Framework for Temporal Graph Neural Networks

Temporal graph neural networks (TGNNs) achieve superior performance in many dynamic graph learning tasks. These models use node state vectors (i.e., memories) to capture and record graph changes (i.e., events), and then exploit these memories to assist prediction. However, this memory-centric design makes multi-GPU tra...

Yang Zhao, Yue-Zhen Dai, Liang Qiao et al. · 0 citations

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Microsoft Research Blog Nov 3, 2026

Learn the rules: The hacker mindset

Research Manager Mike Walker reflects on a career spanning hacker culture, cybersecurity, and AI, sharing lessons about trust, teamwork, leadership, and why solving difficult problems requires curiosity, judgment, agility—and an understanding of the rules. The post Learn the rules: The hacker mindset appeared first on Microsoft Research.

Google DeepMind Blog Nov 3, 2026

Agentic cheminformatics with Google Antigravity

Learn how Google Antigravity and our Cheminformatics Skills accelerate drug discovery workflows, search compounds, and propose novel rigidified macrocycles.

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