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COMGEO
2010
ACM
13 years 11 months ago
Access control systems for spatial data infrastructures and their administration
Today sophisticated concepts, languages and frameworks exist, that allow implementing powerful fine grained access control systems for protecting Web Services and spatial data in ...
Jan Herrmann
FLAIRS
2007
13 years 10 months ago
Managing Dynamic Contexts Using Failure-Driven Stochastic Models
We describe an architecture for representing and managing context shifts that supports dynamic data interpretation. This architecture utilizes two layers of learning and three lay...
Nikita A. Sakhanenko, George F. Luger, Carl R. Ste...
NSDI
2007
13 years 10 months ago
Beyond One-Third Faulty Replicas in Byzantine Fault Tolerant Systems
Byzantine fault tolerant systems behave correctly when no more than f out of 3f + 1 replicas fail. When there are more than f failures, traditional BFT protocols make no guarantee...
Jinyuan Li, David Mazières
NSDI
2008
13 years 10 months ago
Efficiency Through Eavesdropping: Link-layer Packet Caching
The broadcast nature of wireless networks is the source of both their utility and much of their complexity. To turn what would otherwise be unwanted interference into an advantage...
Mikhail Afanasyev, David G. Andersen, Alex C. Snoe...
WSC
2008
13 years 10 months ago
Improving performance by replicating simulations with alternative synchronization approaches
Parallel and distributed simulation facilitates the construction of a simulation application (i.e., federation in HLA terminology) with a number of simulation components (federate...
Zengxiang Li, Wentong Cai, Stephen John Turner, Ke...