Noisy scale-free networks

被引：8
|
作者：
Scholz, J
Dejori, M
Stetter, M
Greiner, M [1 ]
机构：
[1] Siemens AG, Corp Technol Informat & Commun, D-81730 Munich, Germany
[2] Univ Giessen, Inst Theoret Phys, D-35392 Giessen, Germany
[3] Tech Univ Munich, Inst Informat, D-85748 Garching, Germany
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2005年 / 350卷 / 2-4期
关键词：
complex networks; scale-free networks; gene regulatory networks; noise;
D O I：
10.1016/j.physa.2004.11.012
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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. (c) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：622 / 642
页数：21
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