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machine learning

5,133 papers

#artificial intelligence Conference May 2026

Fully Distributed GNE Algorithms for Multi-Robot Placement without Consensus on Multipliers

This work proposes a fully distributed continuous-time algorithm for shared linear equality constraints that converges without multiplier exchange and reaches any GNE, reducing communication overhead and improving privacy.

Sho-An Yin, Mingyi Hong, Nicola Elia · 1 citation
#machine learning Preprint Aug 2026

Unlearning on Spatio-Temporal Graphs through Subgraph Virtual Edge Reconstruction

CallosumNet is a spatio-temporal graph unlearning framework biologically inspired by the corpus callosum structure that reconstructs subgraphs using biologically-inspired virtual edges and restores interlinked spatio-temporal dependencies among subgraphs via a lightweight meta-graph integration layer.

Qi-Ming Guo, Wenbo Sun, Chen Pan et al. · 0 citations
#machine learning Preprint Aug 2026

Spatial Entropy based Partitioning for Spatiotemporal Graph Unlearning

IsleNet is proposed, which uses spatial-entropy-guided partitioning to create balanced, locally coherent subgraphs and reconnects them with lightweight virtual edges and ensures exact removal with low cost of ST-graph unlearning.

Qi-Ming Guo, Wenbo Sun, Ye Wang et al. · 0 citations
#machine learning Open access Aug 2026

Information-Based Calibration of Uncertainty Quantification in Product-of-Experts Gaussian Process Models

The proposed GP-pro-c model, a product-of-experts Gaussian process model that incorporates an information-based method to calibrate the overestimated posterior variances, is proposed and suggests that the proposed information-based calibration method is a promising approach for improving uncertainty estimation in scalable GP models.

Yean Hoon Ong, P. Barucca, Wei Pan et al. · 1 citation · ⚡1
#machine learning Preprint Aug 2026

MEL: Coordinate-Preserving EEG Tokenization for fMRI Translation

Multi-band EEG Latent-state Tokenization (MEL), a coordinate-preserving EEG representation framework that anchors each target fMRI response to its preceding EEG history and organizes it into lag-channel-frequency neural-state tokens, which improves prediction over strong NeuroBOLT baselines.

Xiang-Yu Liu, Zeting Yan, Z. Yin et al. · 0 citations
#machine learning Preprint Aug 2026

A Spectral Identifiability Threshold for Dissipative Rate Recovery from Truncated Liouvillian Spectra

Open quantum systems lose energy and phase coherence through different dissipative processes, but these processes can produce overlapping dynamical signatures. The Liouvillian spectrum summarizes how such a system relaxes, yet it is not obvious how much of that spectrum is needed to distinguish the underlying dissipation rates. We study this question for amplitude damping and dephasing in a six-qubit Lindblad model whose spectrum can be derived analytically. We retain only the slowest non-steady spectral modes and ask how many are required before each dissipative rate becomes recoverable. We show that population modes contain no dephasing information, which creates a lower bound of D = 2^n retained modes for uniform dephasing identifiability in the relevant rate regime. The measured recovery threshold reaches this bound at n = 4,5,6, while n = 3 remains above it. At n = 6, least squares achieves a mean joint absolute error of order 10^-9, compared with 4.355 x 10^-4 for four tabular learning methods. Robustness tests show that this advantage weakens when the spectra are perturbed and when a transverse field breaks the commuting structure. These results show that the amount and structure of retained spectral information can determine whether dissipative parameters are recoverable, independently of the estimator used. The present conclusions apply to noise-free simulator spectra rather than measurement-derived spectra.

Yujun Ji, Somyajit Chakraborty · 0 citations
#artificial intelligence Preprint Aug 2026

When Do Larger Batches Help Scale LLM Reinforcement Learning?

A larger-batch configuration reduces time-to-target only when its throughput gain exceeds its samples-to-target penalty, and a larger-batch configuration reduces time-to-target only when its throughput gain exceeds its samples-to-target penalty.

Ziniu Li, Jinbo Wang, Guan-Hua Huang et al. · 0 citations
#artificial intelligence Preprint Aug 2026

Adaptive Multi-Branching for Shallow Decision Tree Induction

This work proposes the Multi-Branch Neural Decision Tree with Adaptive Pruning (MBNDT), a single axis-aligned tree trained end-to-end with differentiable multi-way splits that achieves the best average rank and mean balanced accuracy among depth-constrained single-tree baselines.

H. Park, Jeonghoon Choi, Juseong Kim et al. · 0 citations
#machine learning Preprint Aug 2026

RL-FAT: Reinforcement Learning for Fair Adversarial Training

RL-FAT is proposed, a reinforcement-learning-inspired fair adversarial training framework that uses policy-gradient based feedback from adversarial predictions to improve adversarial robustness while promoting a more balanced robustness distribution across classes.

Tejaswini Medi, Levan Mikeladze, Margret Keuper · 0 citations
#machine learning Preprint Aug 2026

HalluPrism: When Multimodal Uncertainty Should Diagnose, Not Decide

HalluPrism, a behavioral diagnostic that re-runs an answer after visual degradation, blank-image replacement, and grounding or relation checks is proposed, a behavioral diagnostic that separates failure diagnosis from abstention scoring.

Aman Prakash, Sourish Dasgupta, Tanmoy Chakraborty · 0 citations

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GPT-Lab Sep 3, 2026

Adaptive AI Agents in Construction Workflows

Adaptive AI agents can help make BIM data more machine-readable by navigating IFC models, interpreting inconsistent information, and mapping it to defined standards. In this blog, Alok Rawat shares findings from a real-world pilot in construction workflows. The post Adaptive AI Agents in Construction Workflows appeared first on GPT-Lab.

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