798 search results - page 39 / 160 » Comparing the expressive power of access control models |
CORR
2010
Springer
13 years 7 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
14 years 3 days 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
13 years 7 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
13 years 12 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
14 years 27 days 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...