Stability and dynamics of communities on online question–answer sites
Social Networks（2019）
摘要
•We propose a hyperbolic structure for online question–answer forums.•We show that the ratio of active members per community remains constant over time.•This constancy shows irrespective of community size and in all datasets.•This behaviour contrasts what is usually assumed to happen in online networks.
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关键词
Temporal network analysis,Social network structure,Hyperbolic community model,Computational social science
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