A Hybrid Human Dynamics Model on Analyzing Hotspots in Social Networks

Yunpeng Xiao, Bai Wang, Bin Wu, Zhixian Yan, Shousheng Jia and Yanbing Liu

Discrete Dynamics in Nature and Society, 2012, vol. 2012, 1-13

Abstract:

The increasing development of social networks provides a unique source for analyzing human dynamics in the modern age. In this paper, we analyze the top-one Internet forum in China (“Tianya Club”) and identify the statistical properties of hotspots, which can promptly reflect the crowd events in people's real-life. Empirical observations indicate that the interhotspot distribution follows a power law. To further understand the mechanism of such dynamic phenomena, we propose a hybrid human dynamic model that combines “memory” of individual and “interaction” among people. To build a rich simulation and evaluate this hybrid model, we apply three different network datasets (i.e., WS network, BA network, and Karate-Club). Our simulation results are consistent with the empirical studies, which indicate that the model can provide a good understanding of the dynamic mechanism of crowd events using such social networking data. We additionally analyze the sensitivity of model parameters and find the optimal model settings.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:678286

DOI: 10.1155/2012/678286

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