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PVLDB
2008
101views more  PVLDB 2008»
13 years 8 months ago
Output perturbation with query relaxation
Given a dataset containing sensitive personal information, a statistical database answers aggregate queries in a manner that preserves individual privacy. We consider the problem ...
Xiaokui Xiao, Yufei Tao
MOBISYS
2007
ACM
14 years 8 months ago
SmokeScreen: flexible privacy controls for presence-sharing
Presence-sharing is an emerging platform for mobile applications, but presence-privacy remains a challenge. Privacy controls must be flexible enough to allow sharing between both ...
Landon P. Cox, Angela Dalton, Varun Marupadi
CCS
2011
ACM
12 years 9 months ago
Privacy and accountability for location-based aggregate statistics
A significant and growing class of location-based mobile applications aggregate position data from individual devices at a server and compute aggregate statistics over these posi...
Raluca A. Popa, Andrew J. Blumberg, Hari Balakrish...
INFOCOM
2012
IEEE
11 years 11 months ago
MobiShare: Flexible privacy-preserving location sharing in mobile online social networks
—Location sharing is a fundamental component of mobile online social networks (mOSNs), which also raises significant privacy concerns. The mOSNs collect a large amount of locati...
Wei Wei, Fengyuan Xu, Qun Li
SPEECH
2011
13 years 4 months ago
Role of modulation magnitude and phase spectrum towards speech intelligibility
In this paper our aim is to investigate the properties of the modulation domain and more specifically, to evaluate the relative contributions of the modulation magnitude and phas...
Kuldip K. Paliwal, Belinda Schwerin, Kamil K. W&oa...