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SIGCOMM
2006
ACM
14 years 2 months ago
2006
ACM
Peer-to-peer and other decentralized, distributed systems are known to be particularly vulnerable to sybil attacks. In a sybil attack, a malicious user obtains multiple fake ident...
WSDM
2010
ACM
14 years 6 months ago
2010
ACM
Social media sites (e.g., Flickr, YouTube, and Facebook) are a popular distribution outlet for users looking to share their experiences and interests on the Web. These sites host ...
PKDD
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. Social network analysis has attracted much attention in recent years. Community mining is one of the major directions in social network analysis. Most of the existing met...
CIKM
2011
Springer
12 years 9 months ago
2011
Springer
We consider the problem of link prediction in signed networks. Such networks arise on the web in a variety of ways when users can implicitly or explicitly tag their relationship w...
RECSYS
2009
ACM
14 years 3 months ago
2009
ACM
Tagging systems have become major infrastructures on the Web. They allow users to create tags that annotate and categorize content and share them with other users, very helpful in...