926 search results - page 68 / 186 » Policy framings for access control |
CCR
1999
14 years 10 months ago
1999
This paper presents three transmission schemes to improve the transmission of MPEG video over a timed token medium access control (MAC) network. Multiple classes of MPEG video are...
SACMAT
2006
ACM
15 years 5 months ago
2006
ACM
Separation of Duty (SoD) is widely recognized to be a fundamental principle in computer security. A Static SoD (SSoD) policy states that in order to have all permissions necessary...
TWC
2008
14 years 11 months ago
2008
It has been shown in the literature that many MAC protocols for wireless networks have a considerable control overhead, which limits their achievable throughput and delay performan...
SDMW
2007
Springer
15 years 5 months ago
2007
Springer
Abstract. We investigate the experimental effectiveness of query rewriting over XML security views. Our model consists of access control policies specified over DTDs with XPath e...
VLDB
1993
ACM
15 years 3 months ago
1993
ACM
Object-oriented databases are a recent and important development and many studies of them have been performed. These consider aspects such as data modeling, query languages, perfo...