798 search results - page 23 / 160 » Comparing the expressive power of access control models |
IEEEIAS
2009
IEEE
14 years 2 months ago
2009
IEEE
: Web services over the Internet are widely used nowadays. The problem of secure access to Web-based systems is of great importance naturally. Compared with the existing models, th...
WOWMOM
2006
ACM
14 years 1 months ago
2006
ACM
—This paper aims at improving the power efficiency of the CSMA/CA protocol for transmission of multimedia information over multihop wireless channels. Using a distance dependent ...
JSAC
2006
13 years 7 months ago
2006
Multicarrier direct-sequence code-division multiple access (MC-DS-CDMA) becomes an attractive technique for the future fourth-generation (4G) wireless system because it can flexibl...
ACSAC
2002
IEEE
14 years 18 days ago
2002
IEEE
The administration of users and access rights in large enterprises is a complex and challenging task. Roles are a powerful concept for simplifying access control, but their implem...
JSAC
2008
13 years 7 months ago
2008
In this paper, we generalize the random access game model, and show that it provides a general game-theoretic framework for designing contention based medium access control. We ext...