Constant creation in grammatical evolution

  • Authors:
  • Ian Dempsey;Michael O'/Neill;Anthony Brabazon

  • Affiliations:
  • Natural Computing Research and Applications Group, University College Dublin, Belfield, Dublin, Ireland/ Pipeline Financial Group Inc., New York, USA.;Natural Computing Research and Applications Group, University College Belfield, Dublin, Dublin, Ireland.;Natural Computing Research and Applications Group, University College Belfield, Dublin, Dublin, Ireland

  • Venue:
  • International Journal of Innovative Computing and Applications
  • Year:
  • 2007

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Abstract

We present an investigation into constant creation in Grammatical Evolution (GE), a form of grammar-based Genetic Programming (GP). The methods for constant creation evaluated include digit Concatenation (Cat) and a grammatical version of ephemeral random constants called persistent random constants. Experiments conducted on a diverse range of benchmark problems uncover clear advantages for a digit Cat approach.