From centrality to temporary fame: Dynamic centrality in complex networks | Zendy

Braha Dan | Zendy; BarYam Yaneer | Zendy

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From centrality to temporary fame: Dynamic centrality in complex networks

Author(s) -

Braha Dan,

BarYam Yaneer

Publication year - 2006

Publication title -

complexity

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.447

H-Index - 61

eISSN - 1099-0526

pISSN - 1076-2787

DOI - 10.1002/cplx.20156

Subject(s) - centrality , reinterpretation , complex network , node (physics) , computer science , perspective (graphical) , katz centrality , degree distribution , degree (music) , theoretical computer science , betweenness centrality , artificial intelligence , mathematics , physics , statistics , quantum mechanics , world wide web , acoustics

We develop a new approach to the study of the dynamics of link utilization in complex networks using records of communication in a large social network. Counter to the perspective that nodes have particular roles, we find roles change dramatically from day to day. “Local hubs” have a power law degree distribution over time, with no characteristic degree value. Our results imply a significant reinterpretation of the concept of node centrality in complex networks, and among other conclusions suggest that interventions targeting hubs will have significantly less effect than previously thought. © 2006 Wiley Periodicals, Inc. Complexity 12: 59–63, 2006

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