Publications
 
 (2011).  Click Trajectories: End-to-End Analysis of the Spam Value Chain.  
 431-446.
 
 (2010).  Barter Trade Improves Message Delivery in Opportunistic Networks.  
Ad Hoc Networks. 8(1), 1-14.
 
 (2008).  Revocation Games in Ephemeral Networks.  
 199-210.

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