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» Managing Delegation in Access Control Models
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COMAD
2008
13 years 11 months ago
The Efficient Maintenance of Access Roles with Role Hiding
Role-based access control (RBAC) has attracted considerable research interest. However, the computational issues of RBAC models are yet to be thoroughly studied. In this paper, we...
Chaoyi Pang, Xiuzhen Zhang, Yanchun Zhang, Kotagir...
POLICY
2005
Springer
14 years 3 months ago
A RBAC-Based Policy Information Base
This paper presents a framework for representing and distributing access control policies in distributed heterogeneous systems. Access control polices follows the RBAC (Role Based...
Timothy E. Squair, Edgard Jamhour, Ricardo Nabhen
OWLED
2008
13 years 11 months ago
Managing Change: An Ontology Version Control System
In this paper we present the basic requirements and initial design of a system which manages and facilitates changes to an OWL ontology in a multi-editor environment. This system u...
Timothy Redmond, Michael Smith, Nick Drummond, Tan...
ESWS
2008
Springer
13 years 11 months ago
Entity Lifecycle Management for OKKAM
In this paper, we examine the special requirements of lifecycle management for entities in the context of an entity management system for the semantic web. We study the requirement...
Junaid Ahsenali Chaudhry, Themis Palpanas, Perikli...
IEEEARES
2007
IEEE
14 years 4 months ago
Formalising Dynamic Trust Negotiations in Decentralised Collaborative e-Health Systems
Access control in decentralised collaborative systems present huge challenges especially where many autonomous entities including organisations, humans, software agents from diff...
Oluwafemi Ajayi, Richard O. Sinnott, Anthony Stell