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小世界模型的大数据验证

小世界现象包含两个层面:社会网络中存在非常丰富的短路径;人们可以有效地通过这些短路径搜索到目标节点。本章提出两个小世界模型:小世界基本模型和精细模型。小世界基本模型体现了现实社会网络中短路径在其中存在的必然性;小世界精细模型则刻画了社会网络中短路经的搜索过程,从而验证了短路径的可达性。本章进一步讨论了针对简单网络结构计算具体搜索结果的方法。

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