1 code implementation • 4 Apr 2023 • Bas van Stein, Diederick Vermetten, Fabio Caraffini, Anna V. Kononova
Recently, the BIAS toolbox was introduced as a behaviour benchmark to detect structural bias (SB) in search algorithms.
1 code implementation • 31 Mar 2023 • Bas van Stein, Fu Xing Long, Moritz Frenzel, Peter Krause, Markus Gitterle, Thomas Bäck
We propose DoE2Vec, a variational autoencoder (VAE)-based methodology to learn optimization landscape characteristics for downstream meta-learning tasks, e. g., automated selection of optimization algorithms.
no code implementations • 13 Dec 2022 • Qi Huang, Roy de Winter, Bas van Stein, Thomas Bäck, Anna V. Kononova
Decades of progress in simulation-based surrogate-assisted optimization and unprecedented growth in computational power have enabled researchers and practitioners to optimize previously intractable complex engineering problems.
no code implementations • 29 Nov 2022 • Fu Xing Long, Diederick Vermetten, Bas van Stein, Anna V. Kononova
Benchmarking is a key aspect of research into optimization algorithms, and as such the way in which the most popular benchmark suites are designed implicitly guides some parts of algorithm design.
no code implementations • 21 Sep 2022 • Alexander Zeiser, Bas van Stein, Thomas Bäck
Anomaly detection describes methods of finding abnormal states, instances or data points that differ from a normal value space.
no code implementations • 24 Mar 2022 • Marios Kefalas, Juan de Santiago Rojo Jr., Asteris Apostolidis, Dirk van den Herik, Bas van Stein, Thomas Bäck
Data-driven modeling is an imperative tool in various industrial applications, including many applications in the sectors of aeronautics and commercial aviation.
1 code implementation • 17 Jan 2022 • Koen Ponse, Anna V. Kononova, Maria Loleyt, Bas van Stein
We demonstrate and analyze the performance of the extended algorithm to detect localised symmetries and the machine learning model to classify rotational symmetries.
no code implementations • 10 May 2021 • Bas van Stein, Fabio Caraffini, Anna V. Kononova
Heuristic optimisation algorithms are in high demand due to the overwhelming amount of complex optimisation problems that need to be solved.
1 code implementation • 1 Nov 2020 • Bas van Stein, Hao Wang, Thomas Bäck
Neural Architecture Search (NAS) aims to optimize deep neural networks' architecture for better accuracy or smaller computational cost and has recently gained more research interests.
no code implementations • 14 Apr 2020 • Yali Wang, Bas van Stein, Michael T. M. Emmerich, Thomas Bäck
A customized multi-objective evolutionary algorithm (MOEA) is proposed for the multi-objective flexible job shop scheduling problem (FJSP).
1 code implementation • 10 Oct 2018 • Bas van Stein, Hao Wang, Thomas Bäck
In this paper an Efficient Global Optimization (EGO) algorithm is adapted to automatically optimize and configure convolutional neural network architectures.
no code implementations • 4 Feb 2017 • Bas van Stein, Hao Wang, Wojtek Kowalczyk, Michael Emmerich, Thomas Bäck
In addition, four Kriging approximation algorithms are proposed as candidate algorithms within the new framework.
1 code implementation • 1 Nov 2016 • Bas van Stein, Matthijs van Leeuwen, Thomas Bäck
In highly complex and high-dimensional data, however, existing methods are likely to overlook important outliers because they do not explicitly take into account that the data is often a mixture distribution of multiple components.