3712 search results - page 172 / 743 » Role-Based Access Control |
135
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SP
1997
IEEE
15 years 6 months ago
1997
IEEE
A major drawback of existing access control systems is that they have all been developed with a specific access control policy in mind. This means that all protection requirement...
110
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VR
2008
IEEE
15 years 8 months ago
2008
IEEE
Access control is an important aspect of shared virtual environments. Resource access may not only depend on prior authorization, but also on context of usage such as distance or ...
121
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COLCOM
2009
IEEE
15 years 6 months ago
2009
IEEE
Risk-based access control raises some novel problems that have not yet been investigated. In particular, the ability to aggregate uncertain risk estimations from different experts...
111
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JSAC
2011
14 years 9 months ago
2011
This work on cognitive radio access ventures beyond the more traditional “listen-before-talk” paradigm that underlies many cognitive radio access proposals. We exploit the bi-...
118
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IADIS
2004
15 years 3 months ago
2004
Distributed management of user profiles and identities allow reuse of profile information for different personalization services but also raises privacy issues. Users need a possi...