CPM Report No.: 98-32
Co-evolving the Operators of Variation
By: Bruce Edmonds
Date: January 1998
Published (by invitation) as: Edmonds, B. (2001) Meta-Genetic Programming: Co-evolving the Operators of Variation, Electrik (Special issue on AI), 9:13-29.
The standard Genetic Programming approach is augmented by co-evolving the
genetic operators. To do this the operators are coded as trees of indefinite
length. In order for this technique to work, the language that the operators
are defined in must be such that it preserves the variation in the base
population. This technique can varied by adding further populations of
operators and changing which populations act as operators for others, including
itself, thus to provide a framework for a whole set of augmented GP techniques.
The technique is tested on the parity problem. The pros and cons of the
technique are discussed.
Keywords: genetic programming, automatic programming, genetic
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