813 search results - page 129 / 163 » The Spatial Semantic Hierarchy |
POPL
2005
ACM
14 years 7 months ago
2005
ACM
In 1996, Gil and Lorenz proposed programming language constructs for specifying environmental acquisition in addition to inheritance acquisition for objects. They noticed that in ...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Dataspaces are collections of heterogeneous and partially unstructured data. Unlike data-integration systems that also offer uniform access to heterogeneous data sources, dataspac...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
XACML does not natively support RBAC and even the specialized XACML profiles are not able to support many relevant constraints such as static and dynamic separation of duty. Exte...
ACSC
2008
IEEE
14 years 2 months ago
2008
IEEE
Modern computer systems are based on the traditional hierarchical file system model, but typically contain large numbers of files with complex interrelationships. This tradition...
TCC
2007
Springer
14 years 1 months ago
2007
Springer
We prove a computational soundness theorem for symmetric-key encryption protocols that can be used to analyze security against adaptively corrupting adversaries (that is, adversar...