5119 search results - page 439 / 1024 » Security Privacy |
166
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GI
2007
Springer
15 years 10 months ago
2007
Springer
: A multi-coupon (MC) represents a collection of k coupons that a user can redeem to a vendor in exchange for a benefit (some good or service). Recently, Chen et al. [CEL+ 07] prop...
209
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CISC
2008
Springer
15 years 9 months ago
2008
Springer
Anonymity is one of the main concerns in group-oriented cryptography. However, most efforts, for instance, group signatures and ring signatures, are only made to provide anonymity ...
197
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ICISC
2007
15 years 8 months ago
2007
In Ubiquitous Computing Environment (UCE), service provider wants to provide its service to only legitimate users. Some users who belong to same service provider do not want to rev...
177
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ESORICS
2009
Springer
16 years 7 months ago
2009
Springer
We put forward a novel paradigm for preserving privacy in data outsourcing which departs from encryption. The basic idea behind our proposal is to involve the owner in storing a li...
194
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ESORICS
2009
Springer
16 years 1 months ago
2009
Springer
For nearest neighbor search, a user queries a server for nearby points of interest (POIs) with his/her location information. Our aim is to protect the user’s sensitive informatio...