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Steffen Brauer, Thomas C. Schmidt,
Are Circles Communities? A Comparative Analysis of Selective Sharing in Google+,
In: Proc. of 34th Int. Conf. Dist. Comp. Systems ICDCS – WS HotPost, p. 8–15, IEEE Press : Piscataway, NJ, USA, June 2014.

Abstract: The audience of shared content in Social Media is often hard to determine. To protect users from over-sharing, several services provide a feature for grouping contacts. Communities, interest groups, and circles are common examples. In this work, we investigate the structural properties of the circles in Google+ in comparison to the well-known communities. Based on several data sets and scoring functions, we search for the specific characteristics of circles. Our findings indicate that circles indeed form a special substructure that clearly differs from community groups. While the internal connectivity of circles and communities appear fairly similar, circles admit a much enhanced intensity of external relations. Circles resemble communities to which a large number of external links have been added. Selective sharing in circles is thus less confined.

Themes: Collaborative Environments, Hypermedia and E-Learning, Internet Measurement and Analysis


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