Sorting out centrality: An analysis of the performance of four centrality models in real and simulated networks |
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Institution: | 1. Defence Science and Technology Group, Department of Defence, Australia;2. School of Psychological Sciences, The University of Melbourne, Australia;3. School of Management, The University of Los Andes, Colombia |
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Abstract: | Although the concept of centrality has been well developed in the social networks literature, its empirical development has lagged somewhat. This paper moves a step in that direction by assessing the performance of four centrality models under a variety of known and controlled situations. It begins by examining the assumptions underlying each model, as well as its behavior in a community influence network. It then assesses the robustness and sensitivity of each model under conditions of random and systematic variation introduced into this network. |
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