288 search results - page 12 / 58 » Algebra and logic for access control |
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
The management of privacy and security in the context of data stream management systems (DSMS) remains largely an unaddressed problem to date. Unlike in traditional DBMSs where acc...
ICTAC
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. Role-based access control (RBAC) is recognized as an excellent model for access control in large-scale networked applications. Formalization of RBAC in a logical approach...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
Many access control policy languages, e.g., XACML, allow a policy to contain multiple sub-policies, and the result of the policy on a request is determined by combining the result...
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...
IADIS
2004
13 years 9 months ago
2004
The PolicyUpdater1 system is a generic access control system that provides policy evaluations and dynamic policy updates. These functions are achieved by the use of a logic-based ...