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170
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HICSS
2011
IEEE
14 years 8 months ago
2011
IEEE
—This study illustrates the importance of assessing and accounting for time heterogeneity in longitudinal social network analysis. We apply the time heterogeneity model selection...
157
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DBSEC
2011
14 years 7 months ago
2011
Online social networks (OSNs) have experienced tremendous growth in recent years and become a de facto portal for hundreds of millions of Internet users. These OSNs offer attractiv...
117
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FUZZIEEE
2007
IEEE
15 years 10 months ago
2007
IEEE
— This paper discusses ways of navigating online contact networks - networks of social connections defined under a relational context - on a way that can provide much more meani...
166
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WWW
2009
ACM
14 years 3 days ago
2009
ACM
We analyse the corpus of user relationships of the Slashdot technology news site. The data was collected from the Slashdot Zoo feature where users of the website can tag other user...
150
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SP
2008
IEEE
15 years 10 months ago
2008
IEEE
Decentralized distributed systems such as peer-to-peer systems are particularly vulnerable to sybil attacks, where a malicious user pretends to have multiple identities (called sy...