798 search results - page 61 / 160 » Comparing the expressive power of access control models |
SACMAT
2009
ACM
14 years 3 months ago
2009
ACM
An access control system is often viewed as a state transition system. Given a set of access control policies, a general safety requirement in such a system is to determine whethe...
WWW
2001
ACM
14 years 9 months ago
2001
ACM
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...
SEUS
2007
IEEE
14 years 3 months ago
2007
IEEE
In this paper we propose event-driven power management techniques for wireless sensor networks. To accomplish this we model a sensor network application as a set of application-spe...
ISCC
2007
IEEE
14 years 3 months ago
2007
IEEE
Multimedia Broadcast Multicast Services (MBMS), introduced in Third Generation Partnership Project (3GPP) Release 6, is a point-to-multipoint downlink bearer service that addresse...
ER
2007
Springer
14 years 3 months ago
2007
Springer
This paper intends to classify, review, and compare the existing languages for the specification of spatial integrity constraints at the conceptual level. We classify these languag...