Bayesian optimization with high-dimensional outputs

WJ Maddox, M Balandat, AG Wilson… - Advances in neural …, 2021 - proceedings.neurips.cc
Bayesian optimization is a sample-efficient black-box optimization procedure that is typically
applied to a small number of independent objectives. However, in practice we often wish to …

An adaptive kernel approach to federated learning of heterogeneous causal effects

TV Vo, A Bhattacharyya, Y Lee… - Advances in Neural …, 2022 - proceedings.neurips.cc
We propose a new causal inference framework to learn causal effects from multiple,
decentralized data sources in a federated setting. We introduce an adaptive transfer …

Scalable exact inference in multi-output Gaussian processes

W Bruinsma, E Perim, W Tebbutt… - International …, 2020 - proceedings.mlr.press
Abstract Multi-output Gaussian processes (MOGPs) leverage the flexibility and
interpretability of GPs while capturing structure across outputs, which is desirable, for …

Deep multi-fidelity active learning of high-dimensional outputs

S Li, RM Kirby, S Zhe - arxiv preprint arxiv:2012.00901, 2020 - arxiv.org
Many applications, such as in physical simulation and engineering design, demand we
estimate functions with high-dimensional outputs. The training examples can be collected …

[BOOK][B] Tensor regression

Y Liu, J Liu, Z Long, C Zhu, Y Liu, J Liu, Z Long, C Zhu - 2022 - Springer
Multiway data-related learning tasks pose a huge challenge to the traditional regression
analysis techniques due to the existence of multidirectional relatedness. Simply vectorizing …

Infinite-fidelity coregionalization for physical simulation

S Li, Z Wang, R Kirby, S Zhe - Advances in Neural …, 2022 - proceedings.neurips.cc
Multi-fidelity modeling and learning is important in physical simulation related applications. It
can leverage both low-fidelity and high-fidelity examples for training so as to reduce the cost …

Bayesian federated estimation of causal effects from observational data

TV Vo, Y Lee, TN Hoang… - Uncertainty in Artificial …, 2022 - proceedings.mlr.press
We propose a Bayesian framework for estimating causal effects from federated
observational data sources. Bayesian causal inference is an important approach to learning …

Tensor-based Kernel Machines with Structured Inducing Points for Large and High-Dimensional Data

F Wesel, K Batselier - International Conference on Artificial …, 2023 - proceedings.mlr.press
Kernel machines are one of the most studied family of methods in machine learning. In the
exact setting, training requires to instantiate the kernel matrix, thereby prohibiting their …

ContinuAR: continuous autoregression for infinite-fidelity fusion

W **ng, Y Wang, Z **ng - Advances in Neural Information …, 2024 - proceedings.neurips.cc
Multi-fidelity fusion has become an important surrogate technique, which provides insights
into expensive computer simulations and effectively improves decision-making, eg …

Multi-Resolution Active Learning of Fourier Neural Operators

S Li, X Yu, W **ng, R Kirby… - International …, 2024 - proceedings.mlr.press
Abstract Fourier Neural Operator (FNO) is a popular operator learning framework. It not only
achieves the state-of-the-art performance in many tasks, but also is efficient in training and …