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115
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RBAC
1998
15 years 3 months ago
1998
Role-based access control (RBAC) has been introduced in the last few years, and offers a powerful means of specifying access control decisions. The model of RBAC usually assumes t...
129
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CGF
2008
15 years 2 months ago
2008
The evolution of dependencies in information hierarchies can be modeled by sequences of compound digraphs with edge weights. In this paper we present a novel approach to visualize...
117
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IJNSEC
2008
15 years 2 months ago
2008
The devastating consequence of secret key exposure in digital signature is that any signature can be forged and cannot be trusted. To mitigate the damage of secret key exposure, f...
94
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MONET
2008
15 years 2 months ago
2008
Our research focuses on enabling users to interact with others using 3D avatars with the same appearance and personality in different media such as the Internet, SMS or television ...
98
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IJON
2007
15 years 2 months ago
2007
In many studies of self-organized criticality (SOC), branching processes were used to model the dynamics of the activity of the system during avalanches. This mathematical simpliï...