798 search results - page 12 / 160 » Comparing the expressive power of access control models |
DBSEC
2010
13 years 9 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...
TWC
2010
13 years 2 months 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...
WOWMOM
2005
ACM
14 years 1 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...
OTM
2007
Springer
14 years 1 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...
JCS
2008
13 years 7 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. ...