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18,068 papers

#machine learning Preprint Open access Oct 2026

Random Probing for Structural Self-Interactions in Graph Neural Networks

Graph Neural Networks (GNNs) fundamentally lack the ability to capture structural properties defined by node self-interactions, such as cycle counts, subgraph centrality, and heat kernel signatures. Existing solutions often rely on computationally expensive higher-order architectures or hand-crafted features. In this w...

Saku Peltonen, H. \c{C}a\u{g}r{\i} Bilgi, Kubilay Atasu · 0 citations
#machine learning Preprint Open access Oct 2026

Learning a Group Element from Its Action: Galois Correspondences, Optimal ERM, and an Abel-Ruffini Threshold for the Natarajan Dimension

We study learning an unknown element $g$ of a group acting with finite orbits on a countable set, from examples $(x,gx)$. After a sample on $A$, the consistent hypotheses are the restrictions of a coset of the pointwise stabilizer of $A$, and the sample forces exactly the labels of points this stabilizer fixes; for a G...

Xiaoyu Li · 0 citations
#machine learning Preprint Oct 2026

Revisiting Error Feedback for Model Quantization

We study causal error-feedback coefficients as design variables for model quantization. Modeling instantaneous quantization errors as independent, zero-mean variables with a common fixed variance, we formulated a metric-dependent trace problem for designing feedback coefficients. The formulation resembles fixed-order G...

Wai-Yiu Keung, Chi Cui, Wing-Kin Ma et al. · 0 citations
#machine learning Preprint Open access Oct 2026

SYNPRED: A Synergistic Approach to Multimodal Learning for Clinical Prediction

Multimodal medical data captures complementary aspects of disease. It provides a comprehensive basis for diagnosis and the identification of biological associations linked to progression or treatment response. Established contrastive learning approaches exploit shared information across modalities, but fall short in ex...

Ivana Jan\'i\v{c}kov\'a, Yen Y. Tan, Thomas H. Helbich et al. · 0 citations
#machine learning Preprint Open access Oct 2026

The Effect of Layer Ordering in Hybrid Architectures

Hybrid attention is rapidly becoming the dominant architectural choice for frontier models. Despite their successes, such architectures complicate model design by introducing additional choices, including the types and locations of layers. This combinatorially large design space has been studied empirically, but given...

John Cooper, Mingchen Ma, Jiaqi Mo et al. · 0 citations
#machine learning Preprint Oct 2026

From Spectral Saliency to Finite Deletion: Evaluating Selective Language Model Edits

Deleting singular components offers a precise way to remove a capability from a language model, yet the first-order spectral saliency used to rank components predicts only a local loss change, whereas deletion is a finite intervention. In this paper, we study how prediction error affects selective editing, where select...

Ibne Farabi Shihab, Joyanta J. Mondal · 0 citations
#machine learning Preprint Open access Oct 2026

Same Function, Different Trajectory: No Standard Optimizer Is Equivariant to Transformer Reparameterization

We show that two Transformers representing the same function can follow different training trajectories. For example, doubling a query matrix and halving its key matrix preserves the model's function but changes the gradient scales seen by the optimizer. Our theoretical analysis establishes that standard block-local fi...

Bum Jun Kim · 0 citations
#machine learning Preprint Oct 2026

Failure Recovery via Belief Updates and World Modeling for Long-Horizon Agents

Long-horizon agents often struggle to recover from failures whose causes lie several steps earlier, beyond what local reflection or backtracking can resolve. We introduce BELIEFWEAVER, a framework that combines persistent evidence across attempts with prospective reasoning over repair directions. It maintains a relatio...

Xi-Yang Wu, Zhi-Chao Liu, Sheng Zhang et al. · 0 citations
#machine learning Preprint Oct 2026

Causal Discovery Under Hard Selection Bias: A New Robust Score-Matching Approach

Selection bias is a difficult yet widespread problem in causal discovery, occurring whenever non-random selection processes lead to data that is not representative of the underlying populations. Due to its practical importance, related works have been proposed to address the problem under local [Versteeg et al., 2022]...

Yi-Wen Qiu, Francesco Montagna, Shimeng Huang et al. · 0 citations
#machine learning Preprint Oct 2026

FRACTION: Fraud Explanation Generation via Agentic Graph Context Navigation

Graph fraud explanation generation emerges as an important task, which requires jointly leveraging graph structure and content information to produce human-readable explanations for a given risk label. An intuitive approach is to adapt existing graph-enhanced large language models (LLMs), which inject graph structure i...

Cecelia Soh, Jun Hu, Yuan Li et al. · 0 citations
#machine learning Preprint Oct 2026

Improving Neural Symbolic Regression with a Diverse Prior and Post-training Alignment

Symbolic regression is the problem of finding an expression that fits a dataset. Solving it requires searching a combinatorial space of candidate expressions. Neural symbolic regression can amortize that search by training a model once on synthetic data and then predicting expressions for a new dataset. But existing mo...

Dave Otte, J. Franke, Frank Hutter · 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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