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@InProceedings{Zhang-94-PPSN, author = "Byoung-Tak Zhang", title = "Effects of {O}ccam's Razor in Evolving Sigma-Pi Neural Networks", booktitle = "Lecture Notes in Computer Science 866: Parallel Problem Solving from Nature III", address = "Jerusalem", publisher_address = "Berlin, Germany", publisher = "Springer-Verlag", editor = "Y. Davidor and H.-P. Schwefel and R. M{\"a}nner", year = "1994", pages = "462--471", keywords = "genetic algorithms, genetic programming", URL = "http://www.ais.fraunhofer.de/~muehlen/publications/gmd_as_ga-94_07.ps", URL = "http://citeseer.ist.psu.edu/zhang94effect.html", abstract = "Several evolutionary algorithms make use of hierarchical representations of variable size rather than linear strings of fixed length. Variable complexity of the structures provides an additional representational power which may widen the application domain of evolutionary algorithms. The price for this is, however, that the search space is open-ended and solutions may grow to arbitrarily large size. In this paper we study the effects of structural complexity of the solutions on their generalization performance by analyzing the fitness landscape of sigma-pi neural networks. The analysis suggests that smaller networks achieve, on average, better generalization accuracy than larger ones, thus confirming the usefulness of Occam's razor. A simple method for implementing the Occam's razor principle is described and shown to be effective in improving the generalization accuracy without limiting their learning capacity.", }

Genetic Programming entries for Byoung-Tak Zhang