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179
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CCS
2007
ACM
16 years 27 days ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
177
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DRM
2007
Springer
16 years 26 days ago
2007
Springer
The goal of obfuscation is to transform a program, without affecting its functionality, such that some secret information within the program can be hidden for as long as possible...
219
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CORR
2010
Springer
15 years 3 months ago
2010
Springer
Power management is one of the vital issue in wireless sensor networks, where the lifetime of the network relies on battery powered nodes. Transmitting at high power reduces the l...
241
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KCAP
2011
ACM
14 years 9 months ago
2011
ACM
Some discourse structures such as enumerative structures have typographical, punctuational and laying out characteristics which (1) make them easily identifiable and (2) convey hi...
177
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IH
1998
Springer
15 years 11 months ago
1998
Springer
In the last few years, a large number of schemes have been proposed for hiding copyright marks and other information in digital pictures, video, audio and other multimedia objects....