DYNAMICS OF USER NETWORKS IN ON-LINE ELECTRONIC AUCTIONS

被引：2
|
作者：
Slanina, Frantisek [1 ]
机构：
[1] Acad Sci Czech Republ, Inst Phys, CZ-18221 Prague, Czech Republic
来源：
ADVANCES IN COMPLEX SYSTEMS | 2014年 / 17卷 / 01期
关键词：
Social network; time series; Internet; INTERNET;
D O I：
10.1142/S0219525914500027
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
The network of users in the Internet auction site Aukro.cz is analyzed. We show that the fluctuations in the activity of users has non-Gaussian distribution with long-time correlations. The bipartite network of auctions and users has degree distribution following a stretched exponential. The networks observed within a short time windows are highly fragmented and their structure exhibits long memory, which is observed in the power-law decay of correlations, with a small exponent around 0.2.
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收藏
页数：14
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