798 search results - page 12 / 160 » Comparing the expressive power of access control models |
150
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DBSEC
2010
15 years 7 months ago
2010
Abstract. We present a modelling language, called X-Policy, for webbased collaborative systems with dynamic access control policies. The access to resources in these systems depend...
179
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TWC
2010
15 years 14 days ago
2010
We investigate the problem of minimizing the overall transmission delay of packets in a multi-access wireless communication system, where the transmitters have average power constr...
153
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WOWMOM
2005
ACM
15 years 11 months ago
2005
ACM
Abstract—This paper examines the following wireless data access scenario: a number of clients are interested in a set of data items kept at the server. A client sends a query req...
163
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OTM
2007
Springer
15 years 12 months ago
2007
Springer
We show how Semantic Web technologies can be used to build an access control system. We follow the role-based access control approach (RBAC) and extend it with contextual attribute...
166
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JCS
2008
15 years 5 months ago
2008
We present a framework for evaluating and generating access control policies. The framework contains a modelling formalism called RW, which is supported by a model checking tool. ...