Abstract. Recent years have seen unprecedented growth in the popularity of social network systems, with Facebook being an archetypical example. The access control paradigm behind t...
We present SecureBlox, a declarative system that uniļ¬es a distributed query processor with a security policy framework. SecureBlox decouples security concerns from system speciļ...
William R. Marczak, Shan Shan Huang, Martin Braven...
Continued advances in mobile networks and positioning technologies have created a strong market push for location-based applications. Examples include location-aware emergency resp...
Abstract The expansion of inter-organizational scenarios based on different authorization schemes involves the development of integration solutions allowing diļ¬erent authorizatio...
A number of research systems have demonstrated the beneļ¬ts of accompanying each request with a machine-checkable proof that the request complies with access-control policy ā a...
Lujo Bauer, Limin Jia, Michael K. Reiter, David Sw...