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2015 ; 5
(ä): 18183
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A random interacting network model for complex networks
#MMPMID26657032
Goswami B
; Shekatkar SM
; Rheinwalt A
; Ambika G
; Kurths J
Sci Rep
2015[Dec]; 5
(ä): 18183
PMID26657032
show ga
We propose a RAndom Interacting Network (RAIN) model to study the interactions
between a pair of complex networks. The model involves two major steps: (i) the
selection of a pair of nodes, one from each network, based on intra-network
node-based characteristics, and (ii) the placement of a link between selected
nodes based on the similarity of their relative importance in their respective
networks. Node selection is based on a selection fitness function and node
linkage is based on a linkage probability defined on the linkage scores of nodes.
The model allows us to relate within-network characteristics to between-network
structure. We apply the model to the interaction between the USA and Schengen
airline transportation networks (ATNs). Our results indicate that two mechanisms:
degree-based preferential node selection and degree-assortative link placement
are necessary to replicate the observed inter-network degree distributions as
well as the observed inter-network assortativity. The RAIN model offers the
possibility to test multiple hypotheses regarding the mechanisms underlying
network interactions. It can also incorporate complex interaction topologies.
Furthermore, the framework of the RAIN model is general and can be potentially
adapted to various real-world complex systems.