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162
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WWW
2011
ACM
15 years 24 days ago
2011
ACM
This paper studies the problem of discovering and comparing geographical topics from GPS-associated documents. GPSassociated documents become popular with the pervasiveness of loc...
169
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CCS
2011
ACM
14 years 5 months ago
2011
ACM
Online service providers are engaged in constant conflict with miscreants who try to siphon a portion of legitimate traffic to make illicit profits. We study the abuse of “tr...
138
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WECWIS
2005
IEEE
15 years 11 months ago
2005
IEEE
Singular Value Decomposition (SVD), together with the Expectation-Maximization (EM) procedure, can be used to find a low-dimension model that maximizes the loglikelihood of obser...
144
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CSE
2009
IEEE
16 years 19 days ago
2009
IEEE
—In online social networks (OSNs), user connections can be represented as a network. The network formed has distinct properties that distinguish it from other network topologies....
160
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DEBS
2008
ACM
15 years 7 months ago
2008
ACM
Two convincing paradigms have emerged for achieving scalability in widely distributed systems: publish/subscribe communication and role-based, policy-driven control of access to t...