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Evolving complex neural networks

TitleEvolving complex neural networks
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2007
AuthorsAnnunziato, M., Bertini I., De Felice Matteo, and Pizzuti S.
JournalLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume4733 LNAI
Pagination194-205
ISSN03029743
KeywordsArtificial life, Biological systems, Complex networks, Evolutionary algorithms, Large scale systems, Neural networks, Topology
Abstract

Complex networks like the scale-free model proposed by Barabasi-Albert are observed in many biological systems and the application of this topology to artificial neural network leads to interesting considerations. In this paper, we present a preliminary study on how to evolve neural networks with complex topologies. This approach is utilized in the problem of modeling a chemical process with the presence of unknown inputs (disturbance). The evolutionary algorithm we use considers an initial population of individuals with differents scale-free networks in the genotype and at the end of the algorithm we observe and analyze the topology of networks with the best performances. Experimentation on modeling a complex chemical process shows that performances of networks with complex topology are similar to the feed-forward ones but the analysis of the topology of the most performing networks leads to the conclusion that the distribution of input node information affects the network performance (modeling capability). © Springer-Verlag Berlin Heidelberg 2007.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-38149111865&partnerID=40&md5=9633a84b0b81c4213faf531362ea3665
Citation KeyAnnunziato2007194