Hebo: Pushing the limits of sample-efficient hyper-parameter optimisation

AI Cowen-Rivers, W Lyu, R Tutunov, Z Wang… - Journal of Artificial …, 2022 - jair.org
In this work we rigorously analyse assumptions inherent to black-box optimisation hyper-
parameter tuning tasks. Our results on the Bayesmark benchmark indicate that …

[PDF][PDF] An empirical study of assumptions in Bayesian optimisation

AI Cowen-Rivers, W Lyu, R Tutunov… - arXiv preprint arXiv …, 2020 - researchgate.net
Inspired by the increasing desire to efficiently tune machine learning hyper-parameters, in
this work we rigorously analyse conventional and nonconventional assumptions inherent to …

Estimation of hydrogen solubility in aqueous solutions using machine learning techniques for hydrogen storage in deep saline aquifers

MR Dehghani, H Nikravesh, M Aghel, M Kafi… - Scientific Reports, 2024 - nature.com
The porous underground structures have recently attracted researchers' attention for
hydrogen gas storage due to their high storage capacity. One of the challenges in storing …

Robust and conjugate Gaussian process regression

M Altamirano, FX Briol, J Knoblauch - arXiv preprint arXiv:2311.00463, 2023 - arxiv.org
To enable closed form conditioning, a common assumption in Gaussian process (GP)
regression is independent and identically distributed Gaussian observation noise. This …

Robust Gaussian process regression with the trimmed marginal likelihood

D Andrade, A Takeda - Uncertainty in Artificial Intelligence, 2023 - proceedings.mlr.press
Accurate outlier detection is not only a necessary preprocessing step, but can itself give
important insights into the data. However, especially, for non-linear regression the detection …

[HTML][HTML] Dynamic Gaussian process regression for spatio-temporal data based on local clustering

W Binglin, YAN Liang, R Qi, C Jiangtao… - Chinese Journal of …, 2024 - Elsevier
This paper introduces techniques in Gaussian process regression model for spatio-temporal
data collected from complex systems. This study focuses on extracting local structures and …

Variational-based nonlinear Bayesian filtering with biased observations

AH Chughtai, A Majal, M Tahir… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
State estimation of dynamical systems is crucial for providing new decision-making and
system automation information in different applications. However, the assumptions on the …

Compressing spectral kernels in Gaussian Process: Enhanced generalization and interpretability

K Chen, T van Laarhoven, E Marchiori - Pattern Recognition, 2024 - Elsevier
The modeling capabilities of a Gaussian Process (GP), such as generalization, nonlinearity,
and smoothness, are largely determined by the choice of its kernel. A popular family of …

A novel reconstruction method with robustness for polluted measurement dataset

T Gu, J Wang, D Tang, J Wang, X Jiang - Advanced Engineering …, 2024 - Elsevier
Due to its capacity to depict intricate geometric shapes and topological structures, moving
total least squares (MTLS) method has garnered considerable attention from a diverse …

Robust Gaussian process regression based on bias trimming

J Chi, Z Mao, M Jia - Knowledge-Based Systems, 2024 - Elsevier
This paper presents a new robust Gaussian process regression (GPR) algorithm based on
identifying and trimming outliers, and it can reduce the computation time and improve the …