Browsing Complex and Adaptive Systems Laboratory by Subject "Mutation"

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Examining mutation landscapes in grammar based genetic programming

Murphy, Eoin ; O'Neill, Michael ; Brabazon, Anthony (Springer, 2011-04-27)

Representation is a very important component of any evolutionary algorithm. Changing the representation can cause an algorithm to perform very differently. Such a change can have an effect that is difficult to understand. ...
Examining the landscape of semantic similarity based mutation

Nguyen, Quang Uy ; Nguyen, Xuan Hoai ; O'Neill, Michael (ACM, 2011-07-12)

This paper examines how the semantic locality of a search operator affects the fitness landscape of Genetic Programming (GP). We compare the fitness landscapes of GP search when standard subtree mutation and a recently ...
Implementing an intuitive mutation operator for interactive evolutionary 3D design

Byrne, Jonathan ; McDermott, James ; Galván-López, Edgar ; O'Neill, Michael (IEEE, 2010-07)

Locality - how well neighbouring genotypes correspond to neighbouring phenotypes - has been described as a key element in Evolutionary Computation. Grammatical Evolution (GE) is a generative system as it uses grammar rules ...