596 search results - page 55 / 120 » Theories of Access Consciousness |
111
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CCS
2007
ACM
15 years 7 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 ...
132
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CI
2005
15 years 19 days ago
2005
Autonomous agents that learn about their environment can be divided into two broad classes. One class of existing learners, reinforcement learners, typically employ weak learning ...
SENSYS
2009
ACM
15 years 7 months ago
2009
ACM
Having access to an accurate time is a vital building block in all networks; in wireless sensor networks even more so, because wireless media access or data fusion may depend on i...
105
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SACMAT
2009
ACM
15 years 7 months ago
2009
ACM
We develop the foundations for a theory of Group-Centric Secure Information Sharing (g-SIS), characterize a specific family of models in this arena and identify several direction...
120
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FOCS
1994
IEEE
15 years 4 months ago
1994
IEEE
A quorum system is a collection of sets (quorums) every two of which intersect. Quorum systems have been used for many applications in the area of distributed systems, including mu...