Search Results for author: Jörg Stork

Found 9 papers, 1 papers with code

Behavior-based Neuroevolutionary Training in Reinforcement Learning

1 code implementation17 May 2021 Jörg Stork, Martin Zaefferer, Nils Eisler, Patrick Tichelmann, Thomas Bartz-Beielstein, A. E. Eiben

In addition to their undisputed success in solving classical optimization problems, neuroevolutionary and population-based algorithms have become an alternative to standard reinforcement learning methods.

Evolutionary Algorithms reinforcement-learning +1

Surrogate Models for Enhancing the Efficiency of Neuroevolution in Reinforcement Learning

no code implementations22 Jul 2019 Jörg Stork, Martin Zaefferer, Thomas Bartz-Beielstein, A. E. Eiben

In detail, we investigate a) the potential of SMB-NE with respect to evaluation efficiency and b) how to select adequate input sets for the phenotypic distance measure in a reinforcement learning problem.

Evolutionary Algorithms reinforcement-learning +1

Prediction of neural network performance by phenotypic modeling

no code implementations16 Jul 2019 Alexander Hagg, Martin Zaefferer, Jörg Stork, Adam Gaier

This difference, the phenotypic distance, can then be used to situate these networks into a common input space, allowing us to produce surrogate models which can predict the performance of neural networks regardless of topology.

Improving NeuroEvolution Efficiency by Surrogate Model-based Optimization with Phenotypic Distance Kernels

no code implementations9 Feb 2019 Jörg Stork, Martin Zaefferer, Thomas Bartz-Beielstein

For these expensive optimization tasks, surrogate model-based optimization is frequently applied as it features a good evaluation efficiency.

Evolutionary Algorithms

A new Taxonomy of Continuous Global Optimization Algorithms

no code implementations27 Aug 2018 Jörg Stork, A. E. Eiben, Thomas Bartz-Beielstein

The extracted features of components or operators allow us to create a set of classification indicators to distinguish between a small number of classes.

Distance-based Kernels for Surrogate Model-based Neuroevolution

no code implementations20 Jul 2018 Jörg Stork, Martin Zaefferer, Thomas Bartz-Beielstein

The topology optimization of artificial neural networks can be particularly difficult if the fitness evaluations require expensive experiments or simulations.

Linear Combination of Distance Measures for Surrogate Models in Genetic Programming

no code implementations3 Jul 2018 Martin Zaefferer, Jörg Stork, Oliver Flasch, Thomas Bartz-Beielstein

We investigate how different genotypic and phenotypic distance measures can be used to learn Kriging models as surrogates.

Symbolic Regression

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