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108
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INFOCOM
2012
IEEE
12 years 11 months ago
2012
IEEE
—Distributed systems without trusted identities are particularly vulnerable to sybil attacks, where an adversary creates multiple bogus identities to compromise the running of th...
NOSSDAV
2010
Springer
15 years 2 months ago
2010
Springer
Second Life (SL) is a virtual world where people interact and socialize through virtual avatars. Avatars behave similarly to their human counterparts in real life and naturally de...
CSE
2009
IEEE
15 years 1 months ago
2009
IEEE
This paper contributes to the evolving body of knowledge pertaining to the study of digitally-enabled social networks, their usage, and their effects on people, organization, and s...
EDM
2010
14 years 10 months ago
2010
This paper describes methods for collecting user activity data in a peer production educational system, the Instructional Architect (IA), and then takes a social network perspectiv...
167
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WAW
2010
Springer
14 years 7 months ago
2010
Springer
We introduce a new geometric, rank-based model for the link structure of on-line social networks (OSNs). In the geo-protean (GEO-P) model for OSNs nodes are identified with points ...