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SIGIR
2002
ACM
13 years 10 months ago
2002
ACM
Collaborative filtering (CF) is valuable in e-commerce, and for direct recommendations for music, movies, news etc. But today's systems have several disadvantages, including ...
SIGCOMM
2012
ACM
12 years 23 days ago
2012
ACM
Advertising plays a vital role in supporting free websites and smartphone apps. Click-spam, i.e., fraudulent or invalid clicks on online ads where the user has no actual interest ...
AIRWEB
2009
Springer
14 years 4 months ago
2009
Springer
The popularity of social bookmarking sites has made them prime targets for spammers. Many of these systems require an administrator’s time and energy to manually filter or remo...
VIZSEC
2005
Springer
14 years 3 months ago
2005
Springer
Anomalous communication patterns are one of the leading indicators of computer system intrusions according to the system administrators we have interviewed. But a major problem is...
GCC
2006
Springer
14 years 1 months ago
2006
Springer
An important problem that confronts data grid applications is to efficiently locate the node that stores a particular data replica. This paper proposes a Hierarchical Replica Loca...