146 search results - page 8 / 30 » Spectrum based fraud detection in social networks |
CISS
2010
IEEE
12 years 11 months ago
2010
IEEE
—This paper presents the system level performance evaluation for energy-detection based cooperative spectrum sensing in cognitive radio networks. Three performance criteria are q...
INFOCOM
2011
IEEE
12 years 11 months ago
2011
IEEE
—Social networks exhibit a very special property: community structure. Understanding the network community structure is of great advantages. It not only provides helpful informat...
KDD
2007
ACM
14 years 8 months ago
2007
ACM
We present a family of algorithms to uncover tribes--groups of individuals who share unusual sequences of affiliations. While much work inferring community structure describes lar...
WWW
2005
ACM
14 years 8 months ago
2005
ACM
We consider the problem of finding duplicates in data streams. Duplicate detection in data streams is utilized in various applications including fraud detection. We develop a solu...
HUC
2011
Springer
12 years 7 months ago
2011
Springer
GPS-equipped taxis can be viewed as pervasive sensors and the large-scale digital traces produced allow us to reveal many hidden “facts” about the city dynamics and human beha...