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» The Exact Round Complexity of Secure Computation
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CSFW
1994
IEEE
15 years 1 months ago
One-Representative Safety Analysis in the Non-Monotonic Transform Model
We analyze the safety question for the Non-Monotonic Transform NMT model, an access control model that encompasses a wide variety of practical access control mechanisms. In genera...
Ravi S. Sandhu, Paul Ammann
GIS
2009
ACM
15 years 10 months ago
Efficient and Secure Distribution of Massive Geo-Spatial Data
Modern geographic databases can contain a large volume of data that need to be distributed to subscribed customers. The data can be modeled as a cube, where typical dimensions inc...
Hao Yuan, Mikhail J. Atallah
WWW
2009
ACM
15 years 10 months ago
Bid optimization for broad match ad auctions
Ad auctions in sponsored search support"broad match"that allows an advertiser to target a large number of queries while bidding only on a limited number. While giving mo...
Eyal Even-Dar, Vahab S. Mirrokni, S. Muthukrishnan...
FC
2007
Springer
125views Cryptology» more  FC 2007»
15 years 3 months ago
Scalable Authenticated Tree Based Group Key Exchange for Ad-Hoc Groups
Task-specific groups are often formed in an ad-hoc manner within big structures, like companies. Take the following typical scenario: A high rank manager decides that a task force...
Yvo Desmedt, Tanja Lange, Mike Burmester
C3S2E
2009
ACM
15 years 4 months ago
CPU, SMP and GPU implementations of Nohalo level 1, a fast co-convex antialiasing image resampler
This article introduces Nohalo level 1 (“Nohalo”), the simplest member of a family of image resamplers which straighten diagonal interfaces without adding noticeable nonlinear...
Nicolas Robidoux, Minglun Gong, John Cupitt, Adam ...