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题名: From sparse to dense and from assortative to disassortative in online social networks
作者: Li, MH;  Guan, SG;  Wu, CS;  Gong, XF;  Li, K;  Wu, JS;  Di, ZR;  Lai, CH
刊名: SCIENTIFIC REPORTS
出版日期: 2014
卷号: 4, 期号:-, 页码:4861
关键词: COMPLEX NETWORKS ;  EMERGENCE ;  DYNAMICS ;  MODEL
学科分类: Physics
DOI: 10.1038/srep04861
通讯作者: Guan, SG (reprint author), E China Normal Univ, Dept Phys, Shanghai 200241, Peoples R China.
部门归属: [Li, Menghui
英文摘要: 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 links based on their states, influenced by local dynamics and their own intention. It is shown that the model can reproduce the remarkable properties observed in empirical online social networks; in particular, the assortative coefficients are neutral or negative, and the power law exponents c are smaller than 2. Moreover, we demonstrate that, under appropriate conditions, the model network naturally makes transition(s) from assortative to disassortative, and from sparse to dense in their characteristics. The model is useful in understanding the formation and evolution of online social networks.
资助者: Technology Foundation for Selected Overseas Chinese Scholar; Science and Technology Commission of Shanghai Municipality [10PJ1403300]; Innovation Program of Shanghai Municipal Education Commission [12ZZ043]; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF151CJ1]; NSFC [11075056, 11135001, 61174150, 61374175]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000335373100001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15766
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Recommended Citation:
Li, MH,Guan, SG,Wu, CS,et al. From sparse to dense and from assortative to disassortative in online social networks[J]. SCIENTIFIC REPORTS,2014,4(-):4861.
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