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machine learning

17,191 papers

#artificial intelligence Preprint Oct 2026

AlphaBet: Reinforcement Learning for LLM Event Forecasting Agents

Forecasting an unresolved event requires finding relevant evidence and deciding how strongly it supports each outcome. Yet outcome-based training of Large Language Model (LLM) forecasters often begins with preassembled evidence at a single prediction date, leaving evidence acquisition outside the learning loop. We intr...

Li-Qin Ye, Rong-Zhi Zhang, Xin Liu et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Edit Discovery in Human-AI Interactions

Human-AI interactions are becoming a rich source of data for improving AI systems: while many model responses are already satisfactory, others expose failures that could become valuable supervision if identified and corrected. We study this setting through the notion of an editor: a more capable evaluation process that...

Alireza Mirrokni, Shayan Kiyani, George Pappas et al. · 0 citations
#machine learning Preprint Open access Oct 2026

The Ephemeral Cost of Switching Optimizers Across LLM Training Stages

Recent work suggests that switching optimizers between pretraining and subsequent training stages incurs a performance cost, but systematic investigation of this phenomenon is lacking. We study the mismatch between AdamW and Muon optimizers by pretraining 1.2B Llama-3 models from scratch while varying the proportion of...

Xinyu Zhao, Davis Wertheimer, Ashutosh Sharma et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Alert-List Concordance for Evaluating Imputation Strategies in ICU Sepsis Prediction

Preprocessing is an under-measured reliability risk in clinical prediction: a model can keep a similar AUROC and still change who receives an alert. Imputation quality is commonly evaluated using reconstruction error or aggregate discrimination, neither of which directly measures agreement on which patients are flagged...

Priyanka Siddappa, Muntaqim Ahmed Raju, Shifat Haider Al Amin et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Choosing models for network-wide freeway speed estimation and forecasting from sparse fixed sensors

Most freeway agencies have fixed detectors on only part of their network but need speeds for all of it. This paper compares methods for estimating current and next-hour speeds on every link from such sparse detectors, using historical probe data for training. The test network is the Dallas--Fort Worth freeway system: 4...

Ran Tu, Zi-Hao Li, Arash Mirzaei · 0 citations
#machine learning Preprint Oct 2026

Noise-shaped Sampling and Annealing for Scalable On-the-edge Training of Binary and Ternary AI Models

The training loss of binary and ternary neural networks, expanded as a multilinear polynomial over the discrete weights, is structurally equivalent to the energy of a hierarchical high-order Ising model. We exploit this equivalence to apply Ising solvers to discrete-weight network training, while accounting for a funda...

Zi-Hao Chen, Zhi-Li Xiao, Rui-Jie Zhu et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Rarity of Singletons Matters & Supplementary Materials

Estimating missing-mass and unseen-species counts from finite samples relies heavily on rare-event occupancy statistics, particularly singletons. In small-sample regimes, these statistics can be highly variable, making classical estimators sensitive to sampling fluctuations and potentially unreliable. We propose a frag...

Pragatheeswaran Vipulanandan, Kamal Premaratne, Dilip Sarkar · 0 citations
#artificial intelligence Preprint Oct 2026

Can LLMs predict the outcomes of machine learning experiments?

This work evaluates how accurately large Language Models predict the impact of self-generated ML experiment ideas before these are put into training runs to show that current LLMs have useful but limited intuition about which ML ideas will work.

Ayush Bansal, Aldo Pareja, S. Klein et al. · 0 citations
#machine learning Preprint Oct 2026

Diagnosing GNN Failure Modes with Layer-Wise Probe Entropy

It is shown that the onset of entropy degradation separates the two main GNN failure modes: structural mismatch under heterophily, which appears from the earliest layers even in shallow models, and excessive-depth oversmoothing, which emerges only as propagation depth increases.

Shan Bao, M. Catala, Pietro Liò · 0 citations
#machine learning Preprint Oct 2026

Flat Loss, Evolving Features: Grokking in Modular Addition

Can a network keep learning while its training cross-entropy stays nearly flat at a positive level? We show that it can. On modular addition, a standard testbed for grokking, ReLU networks trained with supported-Polar hidden updates, normalized output-layer updates and weight decay can keep 100% training accuracy while...

Akash Kumar, Karthik Sankaranarayanan · 0 citations

From tech blogs

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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.

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.

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