Search Results for author: Behrang Shafei

Found 8 papers, 6 papers with code

Random Pareto front surfaces

1 code implementation2 May 2024 Ben Tu, Nikolas Kantas, Robert M. Lee, Behrang Shafei

As a motivating example, we investigate how these statistics can be used within a design of experiments setting, where the goal is to both infer and use the Pareto front surface distribution in order to make effective decisions.

Practical Path-based Bayesian Optimization

no code implementations1 Dec 2023 Jose Pablo Folch, James Odgers, Shiqiang Zhang, Robert M Lee, Behrang Shafei, David Walz, Calvin Tsay, Mark van der Wilk, Ruth Misener

There has been a surge in interest in data-driven experimental design with applications to chemical engineering and drug manufacturing.

Bayesian Optimization Experimental Design

Multi-objective optimisation via the R2 utilities

1 code implementation19 May 2023 Ben Tu, Nikolas Kantas, Robert M. Lee, Behrang Shafei

As part of our work, we show that these utilities are monotone and submodular set functions which can be optimised effectively using greedy optimisation algorithms.

Joint Entropy Search for Multi-objective Bayesian Optimization

1 code implementation6 Oct 2022 Ben Tu, Axel Gandy, Nikolas Kantas, Behrang Shafei

Many real-world problems can be phrased as a multi-objective optimization problem, where the goal is to identify the best set of compromises between the competing objectives.

Bayesian Optimization

Tree ensemble kernels for Bayesian optimization with known constraints over mixed-feature spaces

1 code implementation2 Jul 2022 Alexander Thebelt, Calvin Tsay, Robert M. Lee, Nathan Sudermann-Merx, David Walz, Behrang Shafei, Ruth Misener

Tree ensembles can be well-suited for black-box optimization tasks such as algorithm tuning and neural architecture search, as they achieve good predictive performance with little or no manual tuning, naturally handle discrete feature spaces, and are relatively insensitive to outliers in the training data.

Bayesian Optimization Neural Architecture Search

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