109 search results - page 1 / 22 » Concurrent and Real-Time Update of Access Control Policies |
DEXA
2003
Springer
13 years 11 months ago
2003
Springer
Abstract. Access control policies are security policies that govern access to resources. Real-time update of access control policies, that is, updating policies while they are in e...
DBSEC
2004
13 years 7 months ago
2004
Real-time update of access control policies, that is, updating policies while they are in effect and enforcing the changes immediately, is necessary for many security-critical appl...
WORDS
2005
IEEE
13 years 11 months ago
2005
IEEE
This paper presents a framework for verifying the access control requirements of real-time application systems such as workflow management systems and active databases. The tempor...
ECRTS
2004
IEEE
13 years 9 months ago
2004
IEEE
Many real-time systems need to maintain fresh views which are derived from shared data that are distributed among multiple sites. When a base data item changes, all derived views ...
PODS
1990
ACM
13 years 10 months ago
1990
ACM
- Performancestudiesof concurrencycontrol algorithms for conventional database systems have shown that, under most operating circumstances, locking protocols outperform optimistic ...