Deep ensembles vs committees for uncertainty estimation in neural-network force fields: Comparison and application to active learning

J Carrete, H Montes-Campos, R Wanzenböck… - The Journal of …, 2023 - pubs.aip.org
ABSTRACT A reliable uncertainty estimator is a key ingredient in the successful use of
machine-learning force fields for predictive calculations. Important considerations are …

Adaptive learning of effective dynamics for online modeling of complex systems

I Kičić, PR Vlachas, G Arampatzis… - Computer Methods in …, 2023 - Elsevier
Predictive simulations are essential for applications ranging from weather forecasting to
material design. The veracity of these simulations hinges on their capacity to capture the …

Employing artificial intelligence to steer exascale workflows with colmena

L Ward, JG Pauloski, V Hayot-Sasson… - … Journal of High …, 2024 - journals.sagepub.com
Computational workflows are a common class of application on supercomputers, yet the
loosely coupled and heterogeneous nature of workflows often fails to take full advantage of …

Imprecise Bayesian neural networks

M Caprio, S Dutta, KJ Jang, V Lin, R Ivanov… - arXiv preprint arXiv …, 2023 - arxiv.org
Uncertainty quantification and robustness to distribution shifts are important goals in
machine learning and artificial intelligence. Although Bayesian Neural Networks (BNNs) …

Uncertainty-aware predictions of molecular x-ray absorption spectra using neural network ensembles

A Ghose, M Segal, F Meng, Z Liang, MS Hybertsen… - Physical Review …, 2023 - APS
As machine learning (ML) methods continue to be applied to a broad scope of problems in
the physical sciences, uncertainty quantification is becoming correspondingly more …

[HTML][HTML] Optimal training of mean variance estimation neural networks

L Sluijterman, E Cator, T Heskes - Neurocomputing, 2024 - Elsevier
This paper focusses on the optimal implementation of a Mean Variance Estimation network
(MVE network)(Nix and Weigend, 1994). This type of network is often used as a building …

Uncertainty quantification for molecular property predictions with graph neural architecture search

S Jiang, S Qin, RC Van Lehn, P Balaprakash… - Digital …, 2024 - pubs.rsc.org
Graph Neural Networks (GNNs) have emerged as a prominent class of data-driven methods
for molecular property prediction. However, a key limitation of typical GNN models is their …

Deep learning uncertainty quantification for ultrasonic damage identification in composite structures

H Lu, S Cantero-Chinchilla, X Yang, K Gryllias… - Composite …, 2024 - Elsevier
In this paper, three state-of-the-art deep learning uncertainty quantification (UQ) methods–
Flipout probabilistic convolutional neural network (CNN), deep ensemble probabilistic CNN …

Learning terrain-aware kinodynamic model for autonomous off-road rally driving with model predictive path integral control

H Lee, T Kim, J Mun, W Lee - IEEE Robotics and Automation …, 2023 - ieeexplore.ieee.org
High-speed autonomous driving in off-road environments has immense potential for various
applications, but it also presents challenges due to the complexity of vehicle-terrain …

Quantifying uncertainty for deep learning based forecasting and flow-reconstruction using neural architecture search ensembles

R Maulik, R Egele, K Raghavan… - Physica D: Nonlinear …, 2023 - Elsevier
Classical problems in computational physics such as data-driven forecasting and signal
reconstruction from sparse sensors have recently seen an explosion in deep neural network …