Federated Bayesian optimization via Thompson sampling

Z Dai, BKH Low, P Jaillet - Advances in Neural Information …, 2020 - proceedings.neurips.cc
Bayesian optimization (BO) is a prominent approach to optimizing expensive-to-evaluate
black-box functions. The massive computational capability of edge devices such as mobile …

Differentially private federated Bayesian optimization with distributed exploration

Z Dai, BKH Low, P Jaillet - Advances in Neural Information …, 2021 - proceedings.neurips.cc
Bayesian optimization (BO) has recently been extended to the federated learning (FL)
setting by the federated Thompson sampling (FTS) algorithm, which has promising …

Sample-then-optimize batch neural Thompson sampling

Z Dai, Y Shu, BKH Low, P Jaillet - Advances in Neural …, 2022 - proceedings.neurips.cc
Bayesian optimization (BO), which uses a Gaussian process (GP) as a surrogate to model its
objective function, is popular for black-box optimization. However, due to the limitations of …

Efficient distributionally robust Bayesian optimization with worst-case sensitivity

SS Tay, CS Foo, U Daisuke… - … on Machine Learning, 2022 - proceedings.mlr.press
In distributionally robust Bayesian optimization (DRBO), an exact computation of the worst-
case expected value requires solving an expensive convex optimization problem. We …

Training-free neural active learning with initialization-robustness guarantees

A Hemachandra, Z Dai, J Singh… - International …, 2023 - proceedings.mlr.press
Existing neural active learning algorithms have aimed to optimize the predictive
performance of neural networks (NNs) by selecting data for labelling. However, other than a …

A secure federated data-driven evolutionary multi-objective optimization algorithm

Q Liu, Y Yan, P Ligeti, Y ** - IEEE Transactions on Emerging …, 2023 - ieeexplore.ieee.org
Data-driven evolutionary algorithms usually aim to exploit the information behind a limited
amount of data to perform optimization, which have proved to be successful in solving many …

Bayesian optimization under stochastic delayed feedback

A Verma, Z Dai, BKH Low - International Conference on …, 2022 - proceedings.mlr.press
Bayesian optimization (BO) is a widely-used sequential method for zeroth-order optimization
of complex and expensive-to-compute black-box functions. The existing BO methods …

R2-B2: Recursive reasoning-based Bayesian optimization for no-regret learning in games

Z Dai, Y Chen, BKH Low, P Jaillet… - … conference on machine …, 2020 - proceedings.mlr.press
This paper presents a recursive reasoning formalism of Bayesian optimization (BO) to model
the reasoning process in the interactions between boundedly rational, self-interested agents …

Practical privacy-preserving Gaussian process regression via secret sharing

J Luo, Y Zhang, J Zhang, S Qin… - Uncertainty in …, 2023 - proceedings.mlr.press
Gaussian process regression (GPR) is a non-parametric model that has been used in many
real-world applications that involve sensitive personal data (eg, healthcare, finance, etc.) …

Top-k ranking Bayesian optimization

QP Nguyen, S Tay, BKH Low, P Jaillet - Proceedings of the AAAI …, 2021 - ojs.aaai.org
This paper presents a novel approach to top-k ranking Bayesian optimization (top-k ranking
BO) which is a practical and significant generalization of preferential BO to handle top-k …