708 search results - page 98 / 142 » A Policy Based Framework for Access Control |
155
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SACMAT
2009
ACM
15 years 8 months ago
2009
ACM
An access control system is often viewed as a state transition system. Given a set of access control policies, a general safety requirement in such a system is to determine whethe...
100
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TGC
2005
Springer
15 years 7 months ago
2005
Springer
Abstract. We present a formal system that models programmable abstractions for access control. Composite abstractions and patterns of arbitrary complexity are modeled as a configu...
104
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AUSAI
2005
Springer
15 years 7 months ago
2005
Springer
This paper addresses the problem of scheduling jobs in soft real-time systems, where the utility of completing each job decreases over time. We present a utility-based framework fo...
104
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SKG
2005
IEEE
15 years 7 months ago
2005
IEEE
Most existing Peer-to-peer (P2P) systems support only title-based searches, which can not satisfy the content searches. In this paper, we proposed a semantic correlativity model wh...
ITCC
2002
IEEE
15 years 6 months ago
2002
IEEE
While the persistent data of many advanced database applications, such as OLAP and scientific studies, are characterized by very high dimensionality, typical queries posed on thes...