Results 1 to 10 of about 1,496 (156)

Uncertainty-Calibrated Collaborative Filtering via Heteroscedastic Bayesian Neural Networks [PDF]

open access: yesEntropy
Although recommendation systems based on neural collaborative filtering (NCF) can achieve high rating accuracy, the point estimates they generate do not express prediction confidence.
Xiaowei Wang
doaj   +2 more sources

Benchmarking the performance of uncertainty quantification methods for neural network-based interatomic potentials [PDF]

open access: yesJournal of Cheminformatics
Machine-learned interatomic potentials (ML-IAPs) continue to gain popularity as accurate, computationally efficient replacements for traditional, physics-based interatomic potentials and expensive ab initio methods.
Nicholas T. Wimer   +3 more
doaj   +2 more sources

A Deeper Look into Aleatoric and Epistemic Uncertainty Disentanglement

open access: yesLatinX in AI at Computer Vision and Pattern Recognition Conference 2022, 2022
Neural networks are ubiquitous in many tasks, but trusting their predictions is an open issue. Uncertainty quantification is required for many applications, and disentangled aleatoric and epistemic uncertainties are best. In this paper, we generalize methods to produce disentangled uncertainties to work with different uncertainty quantification methods,
Matias Valdenegro-Toro   +1 more
exaly   +4 more sources

Fuel performance uncertainty quantification and sensitivity analysis in the presence of epistemic and aleatoric sources of uncertainties

open access: yesFrontiers in Energy Research, 2023
Fuel performance modeling and simulation includes many uncertain parameters from models to boundary conditions, manufacturing parameters and material properties.
Gregory Delipei
exaly   +3 more sources

Cyber Defense Effectiveness Evaluation for ICS Under Uncertainty: A Dynamic Bayesian Network Approach with Information Entropy [PDF]

open access: yesEntropy
Proactive defense planning in Industrial Control Systems (ICS) is critically constrained by two intertwined types of uncertainty: epistemic uncertainty, arising from the defender’s limited observability of the system state and incomplete knowledge of ...
Rongbao Kang   +6 more
doaj   +2 more sources

UbiQTree: Uncertainty quantification in XAI with tree ensembles [PDF]

open access: yesPatterns
Summary: Explainable artificial intelligence (XAI) techniques, particularly Shapley additive explanations (SHAP), are essential for interpreting ensemble tree-based models in critical areas such as healthcare.
Akshat Dubey   +3 more
doaj   +2 more sources

Hybridndiff-UQ: Uncertainty quantification for hybrid neural differentiable modeling [PDF]

open access: yesTheoretical and Applied Mechanics Letters
The hybrid neural differentiable models mark a significant advancement in the field of scientific machine learning. These models, integrating numerical representations of known physics into deep neural networks, offer enhanced predictive capabilities and
Deepak Akhare   +2 more
doaj   +2 more sources

The aleatoric aspect of literary tourism: an example from Havana

open access: yesTourism, 2020
The expression literary tourism is an established term which rarely raises controversies. It fits well into a positivist way of thinking about tourism reality.
Jacek Kaczmarek
doaj   +5 more sources

Towards a more reliable assessment of aortic diameters using a Bayesian Z-score [PDF]

open access: yesScientific Reports
The Z-score is a conceptually simple and widely adopted standard for assessing aortic dilatation from echocardiographic measurements. It is routinely used to monitor patient progression and schedule follow-up checks. However, several criticisms have been
Luca Bindini   +7 more
doaj   +2 more sources

Deep Modeling of Non-Gaussian Aleatoric Uncertainty

open access: yesIEEE Robotics and Automation Letters
Deep learning offers promising new ways to accurately model aleatoric uncertainty in robotic state estimation systems, particularly when the uncertainty distributions do not conform to traditional assumptions of being fixed and Gaussian. In this study, we formulate and evaluate three fundamental deep learning approaches for conditional probability ...
Rebecca L Russell   +2 more
exaly   +5 more sources

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