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    Comparing the performance of the evolvable πGrammatical Evolution genotype-phenotype map to Grammatical Evolution in the dynamic Ms. Pac-Man environment


    Galvan-Lopez, Edgar and Fagan, David and Murphy, Eoin and Swafford, John Mark and Agapitos, Alexandros and O'Neill, Michael and Brabazon, Anthony (2010) Comparing the performance of the evolvable πGrammatical Evolution genotype-phenotype map to Grammatical Evolution in the dynamic Ms. Pac-Man environment. In: Evolutionary Computation (CEC), 2010 IEEE Congress on, August 2010, Barcelona, Spain.

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    Abstract

    In this work, we examine the capabilities of two forms of mappings by means of Grammatical Evolution (GE) to successfully generate controllers by combining high-level functions in a dynamic environment. In this work we adopted the Ms. Pac-Man game as a benchmark test bed. We show that the standard GE mapping and Position Independent GE (πGE) mapping achieve similar performance in terms of maximising the score. We also show that the controllers produced by both approaches have an overall better performance in terms of maximising the score compared to a hand-coded agent. There are, however, significant differences in the controllers produced by these two approaches: standard GE produces more controllers with invalid code, whereas the opposite is seen with πGE.

    Item Type: Conference or Workshop Item (Paper)
    Keywords: Comparing; performance; evolvable; πGrammatical; Evolution; genotype-phenotype map; Grammatical Evolution; dynamic; Ms. Pac-Man; environment;
    Academic Unit: Faculty of Science and Engineering > Computer Science
    Faculty of Science and Engineering > Research Institutes > Hamilton Institute
    Item ID: 15421
    Identification Number: https://doi.org/10.1109/CEC.2010.5586508
    Depositing User: Edgar Galvan
    Date Deposited: 07 Feb 2022 14:37
    Refereed: Yes
    URI:

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