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The Dynamics of Web-based Social Networks: Membership, Relationships, and Change


Social networks on the web are growing dramatically in size and number. The huge popularity of
sites like MySpace, Facebook, and others has drawn in hundreds of millions of users, and the attention
of scientists and the media. The public accessibility of web-based social networks offers great promise
for researchers interested in studying the behavior of users and how to integrate social information into
applications. However, to do that effectively, it is necessary to understand how networks grow and
change. Over a two-year period we have collected data on every social network we could identify, and
we also gathered daily information on thirteen networks over a forty-seven day period. In this article,
we present the first comprehensive survey of web-based social networks, followed by an analysis of
membership and relationship dynamics within them. From our analysis of these data, we present
several conclusions on how users behave in social networks, and what network features correlate with
that behavior.

Jennifer Golbeck - Personal Name
NONE
Information Technology
English
2006
1-18
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