983 search results - page 172 / 197 » Mathematics Computing Environment on the Web |
CCS
2007
ACM
15 years 5 months 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 ...
103
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IWCMC
2006
ACM
15 years 5 months ago
2006
ACM
Securing multicast communications in ad hoc networks has become one of the most challenging research directions in the areas of wireless networking and security. This is especiall...
106
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CCS
2005
ACM
15 years 5 months ago
2005
ACM
In a reputation-based trust-management system, agents maintain information about the past behaviour of other agents. This information is used to guide future trust-based decisions...
ICCSA
2003
Springer
15 years 5 months ago
2003
Springer
This paper describes a system to create animated 3D scenes of car accidents from written reports. The text-to-scene conversion process consists of two stages. An information extrac...
FLAIRS
2006
15 years 1 months ago
2006
Autonomous robots, such as automatic vacuum cleaners, toy robot dogs, and autonomous vehicles for the military, are rapidly becoming a part of everyday life. As a result the need ...