Boosted Neural Networks in Evolutionary Computation

  • Authors:
  • Martin Holeňa;David Linke;Norbert Steinfeldt

  • Affiliations:
  • Institute of Computer Science, Academy of Sciences of the Czech Republic, Prague 18207;Leibniz Institute for Catalysis, Rostock, Germany 18059;Leibniz Institute for Catalysis, Rostock, Germany 18059

  • Venue:
  • ICONIP '09 Proceedings of the 16th International Conference on Neural Information Processing: Part II
  • Year:
  • 2009

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Abstract

The paper deals with a neural-network-based version of surrogate modelling, a modern approach to the optimization of empirical objective functions. The approach leads to a substantial decrease of time and costs of evaluation of the objective function, a property that is particularly attractive in evolutionary optimization. In the paper, an extension of surrogate modelling with regression boosting is proposed, which increases the accuracy of surrogate models, thus also the agreement between results obtained with the model and those obtained with the original objective function. The extension is illustrated on a case study in materials science. Presented case study results clearly confirm the usefulness of boosting for neural-network-based surrogate models.