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The present study aims to quantitatively assess the effect of the attenuation factor on the resolution, performance, rank correlations, robustness and assortativity of the Katz centrality measure. We found that the granularity of the exponential-based and resolvent-based ranking algorithms is strongly correlated with the number of automorphically equivalent nodes within the network. Thus, this result...
The present article introduces two novel centrality indices which can be used in order to characterize the genome-scale metabolic networks. The deliberate attack simulation experiments conducted on two Barab´asi-Albert models and four genome-scale metabolic networks demonstrate that the proposed ranking methods are effective in identifying essential nodes in complex networks. Also, the Principal Component...
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