DYNAMICS OF USER NETWORKS IN ON-LINE ELECTRONIC AUCTIONS

František Slanina ()
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František Slanina: Institute of Physics, Academy of Sciences of the Czech Republic, Na Slovance 2, CZ-18221 Praha, Czech Republic

Advances in Complex Systems (ACS), 2014, vol. 17, issue 01, 1-14

Abstract: 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.

Keywords: Social network; time series; Internet (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:wsi:acsxxx:v:17:y:2014:i:01:n:s0219525914500027

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DOI: 10.1142/S0219525914500027

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