Detecting Global Efficiency in Complex Networks Using Local Measurements and Neighborhood Information

  • Cinara Guellner Ghedini ITA
  • Carlos H. C. Ribeiro ITA

Resumo


Modelos de redes complexas são encontradas em uma ampla gama de aplicações, desde redes em ambientes biológicos e sociais até ambientes tecnológicos. A sua natureza intrinsecamente dinâmica é resultado de características de autonomia e ubiquidade. Desta forma, avaliar o seu comportamento face a falhas e ataques é relevante para definir mecanismos de controle e recuperação. No entanto, aspectos práticos tornam métricas globais não mensuráveis. Além disso, as métricas locais não são adequadas para lidar com propriedades globais. Neste trabalho, apresentamos uma nova métrica local para detectar mudanças globais em redes complexas considerando o conceito de informação da vizinhança. Os resultados mostram que a métrica proposta obteve resultados satisfatórios para redes livres-de-escala, mundo-pequeno e aleatória.

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Publicado
20/07/2009
GHEDINI, Cinara Guellner; RIBEIRO, Carlos H. C.. Detecting Global Efficiency in Complex Networks Using Local Measurements and Neighborhood Information. In: WORKSHOP EM DESEMPENHO DE SISTEMAS COMPUTACIONAIS E DE COMUNICAÇÃO (WPERFORMANCE), 8. , 2009, Bento Gonçalves/RS. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2009 . p. 2209-2223. ISSN 2595-6167.