Social Capital in Friendship-Event Networks
Social Capital in Friendship-Event Networks
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Date
2006-09-27
Authors
Licamele, Louis
Getoor, Lise
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Abstract
In this paper, we examine a particular form of social network which we
call a friendship-event network. A friendship-event network captures
both the friendship relationship among a set of actors, and also the
organizer and participation relationships of actors in a series of
events. Within these networks, we formulate the notion of social
capital based on the actor-organizer friendship relationship and the
notion of benefit, based on event participation. We investigate
appropriate definitions for the social capital of both a single actor
and a collection of actors. We ground these definitions in a
real-world example of academic collaboration networks, where the
actors are researchers, the friendships are collaborations, the events
are conferences, the organizers are program committee members and the
participants are conference authors. We show that our definitions of
capital and benefit capture interesting qualitative properties of
event series. In addition, we show that social capital is a better
publication predictor than publication history.