3712 search results - page 228 / 743 » Role-Based Access Control |
201
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INFOCOM
2002
IEEE
15 years 11 months ago
2002
IEEE
—In this paper, we introduce a cross-layer design framework to the multiple access problem in contention-based wireless ad hoc networks. The motivation for this study is twofold,...
158
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CSREASAM
2008
15 years 8 months ago
2008
Pervasive computing allows data to be collected using sensors and mobile devices. Recent studies, however, show that in emergency and crisis situations conventional access control ...
169
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JDM
1998
15 years 6 months ago
1998
We propose a new replication control scheme for multiple-copy consistency in mobile distributed database systems. Replicating data at multiple sites could contribute to enhance th...
157
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CHI
2008
ACM
16 years 7 months ago
2008
ACM
Significant effort has been invested in developing expressive and flexible access-control languages and systems. However, little has been done to evaluate these systems in practic...
136
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SEC
2008
15 years 8 months ago
2008
Abstract. In recent security architectures, it is possible that the security policy is not evaluated in a centralized way but requires negotiation between the subject who is reques...