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SACMAT
2010
ACM
14 years 1 months ago
2010
ACM
Access to distributed databases containing tuples collected about mobile physical objects requires information about the objects’ trajectories. Existing access control models ca...
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
-- In the database outsourcing paradigm, a data owner (DO) delegates its DBMS administration to a specialized service provider (SP) that receives and processes queries from clients...
MOBISYS
2009
ACM
14 years 9 months ago
2009
ACM
An important feature of a modern mobile device is that it can position itself. Not only for use on the device but also for remote applications that require tracking of the device....
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
- In the paper, we propose an efficient two-factor localized authentication scheme suitable for WLAN roaming. The proposed authentication scheme can greatly improve the security co...
ENTCS
1998
13 years 8 months ago
1998
We obtain a new formalism for concurrent object-oriented languages by extending Abadi and Cardelli's imperative object calculus with operators for concurrency from the -calc...