146 search results - page 16 / 30 » Spectrum based fraud detection in social networks |
CSE
2009
IEEE
14 years 9 days ago
2009
IEEE
In this paper we propose a new reciprocity index for quantifying social relationships based on mobile phone call detail records and Twitter blogs. We use this reciprocity index to ...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
Co-clustering can be viewed as a two-way (bilinear) factorization of a large data matrix into dense/uniform and possibly overlapping submatrix factors (co-clusters). This combinat...
ISI
2010
Springer
13 years 6 months ago
2010
Springer
Abstract—Trust is an important yet complex and little understood dyadic relation among actors in a social network. There are many dimensions to trust; trust plays an important ro...
SIVP
2010
13 years 6 months ago
2010
Resource aware operation of sensor networks requires adaptive re-organization to dynamically adapt to the operational environment. A complex dynamical system of interacting compone...
INFOCOM
2011
IEEE
12 years 11 months ago
2011
IEEE
—Most existing large-scale networked systems on the Internet such as peer-to-peer systems are vulnerable to Sybil attacks where a single adversary can introduce many bogus identi...