Sampling bias in user attribute estimation of OSNs
WWW (Companion Volume)（2013）
摘要
Recent work on unbiased sampling of OSNs has focused on estimation of the network characteristics such as degree distributions and clustering coefficients. In this work we shift the focus to node attributes. We show that existing sampling methods produce biased outputs and need modifications to alleviate the bias.
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关键词
sampling bias,degree distribution,user attribute estimation,sampling method,recent work,clustering coefficient,unbiased sampling,network characteristic,social networks,sampling methods
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