357 search results - page 31 / 72 » A logic-based framework for attribute based access control |
TON
2012
11 years 10 months ago
2012
—The deployment of cognitive radio networks enables efficient spectrum sharing and opportunistic spectrum access. It also presents new challenges to the classical problem of int...
DIM
2005
ACM
13 years 9 months ago
2005
ACM
We develop solutions for the security and privacy of user identity information in a federation. By federation we mean a group of organizations or service providers which have buil...
SACMAT
2003
ACM
14 years 26 days ago
2003
ACM
The Role-Based Access Control (RBAC) model is traditionally used to manually assign users to appropriate roles. When the service-providing enterprise has a massive customer base, ...
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
Query optimization in data integration requires source coverage and overlap statistics. Gathering and storing the required statistics presents many challenges, not the least of wh...
DIMVA
2009
13 years 8 months ago
2009
The use of dynamic access control policies for threat response adapts local response decisions to high level system constraints. However, security policies are often carefully tigh...