Noisy scale-free networks

Jan Scholz, Mathäus Dejori, Martin Stetter and Martin Greiner

Physica A: Statistical Mechanics and its Applications, 2005, vol. 350, issue 2, 622-642

Abstract: The impact of observational noise on the analysis of scale-free networks is studied. Various noise sources are modeled as random link removal, random link exchange and random link addition. Emphasis is on the resulting modifications for the node-degree distribution and for a functional ranking based on betweenness centrality. The implications for estimated gene-expressed networks for childhood acute lymphoblastic leukemia are discussed.

Keywords: Complex networks; Scale-free networks; Gene regulatory networks; Noise (search for similar items in EconPapers)
Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:350:y:2005:i:2:p:622-642

DOI: 10.1016/j.physa.2004.11.012

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