The small-world phenomenon is one of the most important properties found
in social networks. It includes both short path lengths and efficient
navigation between two individuals. It is found by Kleinberg that
navigation is efficient only if the probability density distribution of
an individual to have a friend at distance r scales as P(r) ~ r-1. Although this spatial scaling is found in many empirical
studies, the origin of how this scaling emerges is still missing. In
this letter, we propose the origin of this scaling law using the concept
of entropy from statistical physics and show that this scaling is the
result of optimization of collecting information in social networks.
虽然还没有正式版本,不过老胡第一时间共享了最后提交版本,有兴趣的读者,请参阅附件:
转载本文请联系原作者获取授权,同时请注明本文来自张子柯科学网博客。
链接地址:https://wap.sciencenet.cn/blog-210641-408146.html?mobile=1
收藏