90 search results - page 11 / 18 » A Spatio-temporal Role-Based Access Control Model |
CCS
2004
ACM
14 years 28 days ago
2004
ACM
Comparing the expressive power of access control models is recognized as a fundamental problem in computer security. Such comparisons are generally based on simulations between di...
ICICS
2003
Springer
14 years 22 days ago
2003
Springer
This paper presents a policy-based framework for managing access control in distributed heterogeneous systems. This framework is based on the PDP/PEP approach. The PDP (Policy Deci...
CNIS
2006
13 years 9 months ago
2006
The rapid emergence of GPS enabled devices, sensors and mobile equipment in commercial as well as government organizations has led to considerable research in time- and location-b...
BPM
2007
Springer
13 years 11 months ago
2007
Springer
There is currently a strong focus worldwide on the potential of large-scale Electronic Health Record systems to cut costs and improve patient outcomes through increased efficiency....
ACSAC
2002
IEEE
14 years 15 days ago
2002
IEEE
In this paper we describe a mainframe access control system (DENT) and its associated delegated administration tool (DSAS) that were used in a financial institution for over 20 y...