Identification of highly susceptible individuals in complex networks

Shaoting Tang, Xian Teng, Sen Pei, Shu Yan and Zhiming Zheng

Physica A: Statistical Mechanics and its Applications, 2015, vol. 432, issue C, 363-372

Abstract: Identifying highly susceptible individuals in spreading processes is of great significance in controlling outbreaks. In this paper, we explore the susceptibility of people in susceptible-infectious-recovered (SIR) and rumor spreading dynamics. We first study the impact of community structure on people’s susceptibility. Although the community structure can reduce the number of infected people for same infection rate, it will not significantly affect nodes’ susceptibility. We find the susceptibility of individuals is sensitive to the choice of spreading dynamics. For SIR spreading, since the susceptibility is highly correlated to nodes’ influence, the topological indicator k-shell can better identify highly susceptible individuals, outperforming degree, betweenness centrality and PageRank. In contrast, in rumor spreading model, where nodes’ susceptibility and influence have no clear correlation, degree performs the best among considered topological measures. Our finding highlights the significance of both topological features and spreading mechanisms in identifying highly susceptible population.

Keywords: Epidemic spreading; Susceptibility; Complex networks (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:432:y:2015:i:c:p:363-372

DOI: 10.1016/j.physa.2015.03.046

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