On Decay Centrality
On Decay Centrality
复制标题
论衰变中心性
DOI:
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发表时间:
2016
期刊:
影响因子:
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通讯作者:
Nikolas Tsakas
中科院分区:
文献类型:
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作者:
Nikolas Tsakas
Abstract We establish a relationship between decay centrality and two widely used measures of centrality, namely degree and closeness. We show that for low values of the decay parameter the nodes with maximum decay centrality also have maximum degree, whereas for high values of the decay parameter they also maximize closeness. For intermediate values, we provide sufficient conditions that allow the comparison of decay centrality of different nodes and we show via numerical simulations that in the vast majority of networks, the nodes with maximum decay centrality are characterized by a threshold on the decay parameter below which they belong to the set of nodes with maximum degree and above which they belong to the set of nodes with maximum closeness. We also propose a simple rule of thumb that ensures a nearly optimal choice with very high probability.
影响因子:
2.3
作者:
Galeotti, Andrea;Goyal, Sanjeev
通讯作者:
Goyal, Sanjeev