374 search results - page 15 / 75 » Managing Delegation in Access Control Models |
VLDB
2007
ACM
14 years 1 months ago
2007
ACM
Data outsourcing is emerging today as a successful paradigm allowing users and organizations to exploit external services for the distribution of resources. A crucial problem to b...
INFOCOM
2008
IEEE
14 years 1 months ago
2008
IEEE
Abstract. One important problem for such public broadcast LBS is to enforce access control on a large number of subscribers. In such a system a user typically subscribes to a LBS f...
DBSEC
2009
13 years 8 months ago
2009
Abstract. We present a new access control mechanism for P2P networks with distributed enforcement, called P2P Access Control System (PACS). PACS enforces powerful access control mo...
DBSEC
2010
13 years 8 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...
SACMAT
2010
ACM
14 years 7 days ago
2010
ACM
Access to distributed databases containing tuples collected about mobile physical objects requires information about the objects’ trajectories. Existing access control models ca...