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physics.soc-ph2013★ 19 cited
From sparse to dense and from assortative to disassortative in online social networks
Menghui Li, Shuguang Guan, Chensheng Wu +5
Inspired by the analysis of several empirical online social networks, we propose a simple reaction-diffusion-like coevolving model, in which individuals are activated to create lin…
physics.soc-ph2011★ 8 cited
Formation of Modularity in a Model of Evolving Networks
Menghui Li, Shuguang Guan, Choy-Heng Lai
Modularity structures are common in various social and biological networks. However, its dynamical origin remains an open question. In this work, we set up a dynamical model descri…