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EUROGP
2005
Springer

Repeated Patterns in Tree Genetic Programming

9 years 1 months ago
Repeated Patterns in Tree Genetic Programming
We extend our analysis of repetitive patterns found in genetic programming genomes to tree based GP. As in linear GP, repetitive patterns are present in large numbers. Size fair crossover limits bloat in automatic programming, preventing the evolution of recurring motifs. We examine these complex properties in detail: e.g. using depth v. size Catalan binary tree shape plots, subgraph and subtree matching, information entropy, syntactic and semantic fitness correlations and diffuse introns. We relate this emergent phenomenon to considerations about building blocks in GP and how GP works.
William B. Langdon, Wolfgang Banzhaf
Added 27 Jun 2010
Updated 27 Jun 2010
Type Conference
Year 2005
Where EUROGP
Authors William B. Langdon, Wolfgang Banzhaf
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