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URN: urn:nbn:de:0030-drops-17893
URL: http://drops.dagstuhl.de/opus/volltexte/2008/1789/
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Baldassarri, Andrea ; Barrat, Alain ; Capocci, Andrea ; Halpin, Harry ; Lehner, Ulrike ; Ramasco, Jose ; Robu, Valentin ; Taraborelli, Dario

08391 Group Summary -- The Berners-Lee Hypothesis: Power laws and Group Structure in Flickr

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Abstract

An intriguing hypothesis, first suggested by Tim Berners-Lee, is that the structure of online groups should conform to a power law distribution. We relate this hypothesis to earlier work around the Dunbar Number, which is a supposed limit to the number of social contacts a user can have in a group. As preliminary results, we show that the number of contacts of a typical Flickr user, the number of groups a user belongs to, and the size of Flickr groups all follow power law distributions. Furthermore, we find some unexpected differences in the internal structure of public and private Flickr groups. For further research, we further operationalize the Berners-Lee hypothesis to suppose that users with a group membership distribution that follows a power law will produce more content for social Web systems.

BibTeX - Entry

@InProceedings{baldassarri_et_al:DSP:2008:1789,
  author =	{Andrea Baldassarri and Alain Barrat and Andrea Capocci and Harry Halpin and Ulrike Lehner and Jose Ramasco and Valentin Robu and Dario Taraborelli},
  title =	{08391 Group Summary -- The Berners-Lee Hypothesis: Power laws and Group Structure in Flickr},
  booktitle =	{Social Web Communities },
  year =	{2008},
  editor =	{Harith Alani and Steffen Staab and Gerd Stumme},
  number =	{08391},
  series =	{Dagstuhl Seminar Proceedings},
  ISSN =	{1862-4405},
  publisher =	{Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, Germany},
  address =	{Dagstuhl, Germany},
  URL =		{http://drops.dagstuhl.de/opus/volltexte/2008/1789},
  annote =	{Keywords: Social group flickr powerlaw}
}

Keywords: Social group flickr powerlaw
Seminar: 08391 - Social Web Communities
Issue Date: 2008
Date of publication: 22.12.2008


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