[HTML][HTML] Gryffin: An algorithm for Bayesian optimization of categorical variables informed by expert knowledge

F Häse, M Aldeghi, RJ Hickman, LM Roch… - Applied Physics …, 2021 - pubs.aip.org
Designing functional molecules and advanced materials requires complex design choices:
tuning continuous process parameters such as temperatures or flow rates, while …

Solving stochastic compositional optimization is nearly as easy as solving stochastic optimization

T Chen, Y Sun, W Yin - IEEE Transactions on Signal …, 2021 - ieeexplore.ieee.org
Stochastic compositional optimization generalizes classic (non-compositional) stochastic
optimization to the minimization of compositions of functions. Each composition may …

Achieving robustness to aleatoric uncertainty with heteroscedastic Bayesian optimisation

RR Griffiths, AA Aldrick, M Garcia-Ortegon… - Machine Learning …, 2021 - iopscience.iop.org
Bayesian optimisation is a sample-efficient search methodology that holds great promise for
accelerating drug and materials discovery programs. A frequently-overlooked modelling …

Are we forgetting about compositional optimisers in Bayesian optimisation?

A Grosnit, AI Cowen-Rivers, R Tutunov… - Journal of Machine …, 2021 - jmlr.org
Bayesian optimisation presents a sample-efficient methodology for global optimisation.
Within this framework, a crucial performance-determining subroutine is the maximisation of …

[PDF][PDF] Memory-based optimization methods for model-agnostic meta-learning

B Wang, Z Yuan, Y Ying, T Yang - arxiv preprint arxiv:2106.04911, 2021 - academia.edu
Recently, model-agnostic meta-learning (MAML) has garnered tremendous attention.
However, the stochastic optimization of MAML is still immature. Existing algorithms for MAML …