Network Model of Unconventional Emergency Chain Based on Hypergraph

Abstract

Abstract:

Few of existing studies pay attention to the interrelations of different attributes during the process of emergency evolution, structural description of unconventional emergency chain, or emergency decision-making from the perspective of attributes. This paper first presents the structural description model of unconventional emergency chain. Then, based on hypergraph theory, we define active attributes and establish both the unconventional emergency chain hypernetwork model and its projection network model. Next, the criterions for the importance of network nodes and edges are put forward after making definitions of homogeneous edge, heterogeneous edge, homogeneous degree, heterogeneous degree and correlation matrix, so as to propose an assessment approach of importance of node, edge and network connectivity. Finally, Wenchuan earthquake in 2008 is taken as an example to verify the validity of this study.

Key words: unconventional emergency chain, hypernetwork, structural hole, connectivity

Li Yongjian, Wang Zhiying, Qiao Xiaojiao. Network Model of Unconventional Emergency Chain Based on Hypergraph[J]. , 2015, 27(12): 192-201.

References

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