596 search results - page 55 / 120 » Theories of Access Consciousness |
168
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CCS
2007
ACM
16 years 10 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 ...
190
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CI
2005
15 years 6 months 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 ...
157
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SENSYS
2009
ACM
16 years 28 days 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...
162
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SACMAT
2009
ACM
16 years 20 days 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...
177
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FOCS
1994
IEEE
15 years 10 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...