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» Discovering Opinion Spammer Groups by Network Footprints
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ICC
2009
IEEE
142views Communications» more  ICC 2009»
13 years 11 months ago
Revealing Social Networks of Spammers Through Spectral Clustering
—To date, most studies on spam have focused only on the spamming phase of the spam cycle and have ignored the harvesting phase, which consists of the mass acquisition of email ad...
Kevin S. Xu, Mark Kliger, Yilun Chen, Peter J. Woo...
WAW
2007
Springer
120views Algorithms» more  WAW 2007»
13 years 11 months ago
Manipulation-Resistant Reputations Using Hitting Time
Popular reputation systems for linked networks can be manipulated by spammers who strategically place links. The reputation of node v is interpreted as the world’s opinion of vâ...
John E. Hopcroft, Daniel Sheldon