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Published in:
2006 | OriginalPaper | Chapter
The Entities of Gene Expression Programming
Author : Cândida Ferreira, Dr.
Published in: Gene Expression Programming
Publisher: Springer Berlin Heidelberg
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In contrast to its analogous cellular gene expression, GEP gene expression is rather simple. The main players in gene expression programming are only two: the chromosomes and the expression trees, the latter consisting of the expression of the genetic information encoded in the former. The process of information decoding (from the chromosomes to the expression trees) is called translation. And this translation implies obviously a kind of code and a set of rules. The genetic code is very simple: a one-to-one relationship between the symbols of the chromosome and the functions and terminals they represent. The rules are also quite simple: they determine the spatial organization of the functions and terminals in the expression trees and the type of interaction between sub-expression trees in multigenic systems.