163 search results - page 11 / 33 » Specifying and enforcing constraints in role-based access co... |
INFOCOM
2012
IEEE
11 years 9 months ago
2012
IEEE
—Access control is one of the most important security mechanisms in cloud computing. Attribute-based access control provides a flexible approach that allows data owners to integ...
SACMAT
2003
ACM
14 years 20 days ago
2003
ACM
This paper presents an approach that uses special purpose RBAC constraints to base certain access control decisions on context information. In our approach a context constraint is...
NTMS
2008
IEEE
14 years 1 months ago
2008
IEEE
—We propose an access control model that extends RBAC (Role-Based Access Control) to take time and location into account, and use term rewriting systems to specify access control...
CSE
2009
IEEE
14 years 2 months ago
2009
IEEE
—Constraints are an important part of role-based access control policies. The safety or security of a system is maintained by enforcing constraints that are specified in the pol...
ICDE
2008
IEEE
14 years 8 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...