Sciweavers

MMMACNS
2001
Springer
13 years 9 months ago
Future Directions in Role-Based Access Control Models
Abstract. In the past five years there has been tremendous activity in rolebased access control (RBAC) models. Consensus has been achieved on a standard core RBAC model that is in ...
Ravi S. Sandhu
SACMAT
2003
ACM
13 years 9 months ago
The role control center: features and case studies
Role-based Access Control (RBAC) models have been implemented not only in self-contained resource management products such as DBMSs and Operating Systems but also in a class of pr...
David F. Ferraiolo, Ramaswamy Chandramouli, Gail-J...
SACMAT
2003
ACM
13 years 9 months ago
An approach to engineer and enforce context constraints in an RBAC environment
This paper presents an approach that uses special purpose RBAC constraints to base certain access control decisions on context information. In our approach a context constraint is...
Gustaf Neumann, Mark Strembeck
ICTAC
2005
Springer
13 years 10 months ago
Representation and Reasoning on RBAC: A Description Logic Approach
Abstract. Role-based access control (RBAC) is recognized as an excellent model for access control in large-scale networked applications. Formalization of RBAC in a logical approach...
Chen Zhao, NuerMaimaiti Heilili, Shengping Liu, Zu...
CCS
2007
ACM
13 years 10 months ago
Managing RBAC states with transitive relations
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
Chaoyi Pang, David P. Hansen, Anthony J. Maeder
CCS
2007
ACM
13 years 10 months ago
Administration in role-based access control
Administration of large-scale RBAC systems is a challenging open problem. We propose a principled approach in designing and analyzing administrative models for RBAC. We identify s...
Ninghui Li, Ziqing Mao
IRI
2007
IEEE
13 years 10 months ago
ARBAC07: A Role-based Administration Model for RBAC with Hybrid Hierarchy
Recently, administration of RBAC systems using rolebased approach has become very appealing because of the benefits that a role-based approach typically brings. This approach uses...
Yue Zhang 0002, James B. D. Joshi
IEEEIAS
2007
IEEE
13 years 10 months ago
SARBAC07: A Scoped Administration Model for RBAC with Hybrid Hierarchy
Recently, administration of RBAC systems using a role-based approach has become very appealing because of the benefits that such an approach typically brings. This approach uses R...
Yue Zhang 0002, James B. D. Joshi
SACMAT
2009
ACM
13 years 11 months ago
Supporting RBAC with XACML+OWL
XACML does not natively support RBAC and even the specialized XACML profiles are not able to support many relevant constraints such as static and dynamic separation of duty. Exte...
Rodolfo Ferrini, Elisa Bertino
ICCS
2009
Springer
13 years 11 months ago
Access Policy Design Supported by FCA Methods
Role Based Access Control (RBAC) is a methodology for providing users in an IT system specific permissions like write or read to t abstracts from specific users and binds permiss...
Frithjof Dau, Martin Knechtel