Skip to content

Category

machine learning

15,964 papers

#artificial intelligence Preprint Open access Oct 2026

GeoMER: A Joint Euclidean-Hyperbolic Geometry Framework for Multimodal Emotion Recognition

Multimodal Emotion Recognition (MER) aims to understand human emotions by integrating information from multiple modalities such as speech and text. Psychological studies suggest that emotions exhibit latent hierarchical structured relationships in their semantic representations. However, most MER approaches rely on Euc...

Ting Zhu, Huizhi Liang, Boguslaw Obara et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

When More Objectives Make Identification Easier: The Role of Preferences and Feedback

Best-arm identification (BAI) aims to identify the optimal arm using as few samples as possible. While most existing work focuses on a single objective, many real-world applications involve multiple criteria, which motivates the study of BAI in multi-objective bandits. Intuitively, multi-objective identification seems...

Bo Xue, Ji Cheng, Yuanyu Wan et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Readout Scaling Shapes Sparse Feature Recovery

Readout scaling changes what a sparse autoencoder (SAE) learns, but the benefit of removing it depends on the data. We use readout-canonicalized decision-space (RC-DS) coordinates to remove singular-value gains while preserving retained decision information. At a fixed readout condition number, changing the generating...

Brain Xiao, Sarah Wilson · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Learning Perturbation-Specific Representations through Conditional Energy Prior for Cellular Response Prediction

AI-based cellular perturbation prediction is essential to accelerate drug discovery and therapeutic identification. However, perturbation-specific signals are generally obscured by cellular complexity, making it difficult for existing methods to correctly capture perturbation effects. To address this problem, we propos...

Yuchen Yan, Yatao Bian · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Agaram 2.5B: The First Tamil-First Language Model Trained from Scratch with Tool Calling. A Playbook for Under-Represented Languages

We trained Agaram 2.5B, a 2.5-billion-parameter Tamil-English language model, from scratch on about 50 billion tokens (58% Tamil, the rest English, math, code and parallel text) on one node of eight H100 GPUs in about six days, with a new tokenizer that, unlike our first model's, keeps line breaks. Supervised fine-tuni...

Ramchand Kumaresan, Madhusudhanan G, Kaushik Kezendirane · 0 citations
#artificial intelligence Preprint Oct 2026

Not All Drift Is a Mechanism: Tracing Prompt Adaptation in LLMs

Prompt-based adaptation offers several ways to specialize a frozen language model, ranging from natural-language prompt optimization to learned continuous prompts. These methods are usually compared through downstream performance, although similar outputs need not arise from similar internal computations. We study how...

Mikhail Aleksandrov, Nail Bashirov, M. Ivanov et al. · 0 citations
#artificial intelligence Preprint Oct 2026

PRISM: Calibrating Black-Box Judges with Counterfactual Probes

Large language models are increasingly used as judges to reduce reliance on costly human evaluation, yet their scores can systematically disagree with human judgments. We ask whether responses to an explicitly imposed evaluative bias can help correct a judge's implicit scoring biases. We introduce PRISM (Probe-based Re...

Kakei Yamamoto, So Kuroki · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Which Optimizer Leaks Most? Optimizer Implicit Bias as a Training-Data Privacy Controller

Releasing a neural network checkpoint can leak information about its training data, and existing reconstruction results rely on gradient-descent training. We ask whether the choice of optimizer affects the ability to recover the training data. Extending work connecting Karush--Kuhn--Tucker conditions to training-data r...

Sagi Habani, Yehonathan Refael, Ofir Lindenbaum · 0 citations
#artificial intelligence Preprint Open access Oct 2026

LiFUSE: Frequency-Spatial Unified Self-Supervised Pretraining for Liver Disease Analysis on Non-contrast CT

Given the growing global burden of liver tumors and diffuse liver diseases, non-contrast computed tomography (NCCT) is increasingly used for opportunistic screening because of its low cost and favorable safety profile. However, downstream tasks such as tumor detection and fine-grained disease diagnosis remain challengi...

Hao Zhang, Yi Huang, Wei Liu et al. · 0 citations
#artificial intelligence Preprint Oct 2026

A Controlled Evaluation of Curvature Inspired Scalar Feature Scaling for Domain Generalization

Domain-specific curvature is an appealing idea for domain generalization (DG), but curvature learning can denote substantially different computations. This paper evaluates one deliberately narrow implementation: the code calls it HyperDG, but it rescales Euclidean encoder features during training by learned positive sc...

Sunny Gupta, Amit Sethi · 0 citations
#artificial intelligence Preprint Open access Oct 2026

A Few More Tokens Ahead: Reinforcing Parallelism in Diffusion LLMs

Parallel generation is widely regarded as an inherent advantage of diffusion large language models. Yet our fixed-quota evaluation of four representative models reveals severe degradation across mathematics and code, with all scores below 15% at 16 tokens per step. Token-level probes identify local predictive potential...

Jiahao Kuang, Yangfan Gao, Tao Gui et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Looped Reasoning Finishes Earlier Than You Think

This work proposes QRR (Quotient Recurrent Reasoner), a gauge-equivariant recurrent architecture with an exact per-token phase-rotation symmetry that achieves stable and faster convergence to solution roots in quotient space, while matching or surpassing recent recurrent reasoning models on Sudoku, Maze, and Mini-ARC.

Sumin Park, T. Konstantin Rusch · 0 citations

From tech blogs

See all →
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.

We use cookies to run the site and, with your consent, for analytics and to show ads. See our Cookie Policy.