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Dynamics Of User Networks In On-Line Electronic Auctions

Author

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  • FRANTIŠEK SLANINA

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

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.

Suggested Citation

  • František Slanina, 2014. "Dynamics Of User Networks In On-Line Electronic Auctions," Advances in Complex Systems (ACS), World Scientific Publishing Co. Pte. Ltd., vol. 17(01), pages 1-14.
  • Handle: RePEc:wsi:acsxxx:v:17:y:2014:i:01:n:s0219525914500027
    DOI: 10.1142/S0219525914500027
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