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SACMAT
2003
ACM
15 years 3 months ago
2003
ACM
Role-based access control (RBAC) is recognized as an efficient access control model for large organizations. Most organizations have some business rules related to access control...
SASN
2003
ACM
15 years 3 months ago
2003
ACM
Mobile ad hoc networking (MANET) has become an exciting and important technology in recent years because of the rapid proliferation of wireless devices. MANETs are highly vulnerab...
SC
2003
ACM
15 years 3 months ago
2003
ACM
This paper presents an algorithm for implementing optimal hardware-based multicast trees, on networks that provide hardware support for collective communication. Although the prop...
SENSYS
2003
ACM
15 years 3 months ago
2003
ACM
Wireless sensor networks enable dense sensing of the environment, offering unprecedented opportunities for observing the physical world. Centralized data collection and analysis a...
SI3D
2003
ACM
15 years 3 months ago
2003
ACM
We present algorithms that enable virtual objects to interact with and respond to virtual representations, avatars, of real objects. These techniques allow dynamic real objects, s...