798 search results - page 39 / 160 » Comparing the expressive power of access control models |
CORR
2010
Springer
14 years 9 months ago
2010
Springer
We introduce a generic extension of the popular branching-time logic CTL which refines the temporal until and release operators with formal languages. For instance, a language may ...
MMB
2001
Springer
15 years 2 months ago
2001
Springer
This paper provides a performance evaluation of the TETRAPOL random access protocol. The results are based on a Markovian model which is also presented. The Markovian model is use...
ACJ
2006
14 years 9 months ago
2006
In this paper we present query filtering techniques based on bottom-up tree automata for XML access control. In our authorization model (RXACL), RDF statements are used to represen...
ACSAC
1998
IEEE
15 years 2 months ago
1998
IEEE
Abstract Role-based access control RBAC has recently received a lot of attention due to its exibility, expressive power and simplicity in administration. In RBAC permissions are as...
DRM
2003
Springer
15 years 3 months ago
2003
Springer
In this paper, we present our experiences concerning the enforcement of access rights extracted from ODRL-based digital contracts. We introduce the generalized Contract Schema (Co...