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The following specifically looks at the evolution of cooperation in networks.

J.C. Johnson, J. Boster, and L. Palinkas. "Social Roles and the Evolution of Networks in Isolated and Extreme Environments. The Journal of Mathematical Sociology, 2003.

It looks at the evolutionof group coherence over time as a function of the presence or absence of informal social roles.  



-----Original Message-----
From: Social Networks Discussion Forum on behalf of Balazs Vedres
Sent: Tue 12/20/2005 2:33 AM
To: [log in to unmask]
Subject: cohesion in a dynamic network
 
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Dear Socnetters,

I wonder if anyone had experience with identifying cohesive groups in
dynamic network data. 
How would you identify a group as a common history of cohesion rather than a
cohesive subset in a network snapshot?

Any comments are appreciated,

Best
Balazs

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