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» On Modelling Access Policies: Relating Roles to their Organi...
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VLDB
2008
ACM
148views Database» more  VLDB 2008»
14 years 10 months ago
Purpose based access control for privacy protection in relational database systems
Abstract In this article, we present a comprehensive approach for privacy preserving access control based on the notion of purpose. In our model, purpose information associated wit...
Ji-Won Byun, Ninghui Li
IEEECIT
2005
IEEE
14 years 3 months ago
Context-sensitive Access Control Model and Implementation
Context is a key factor in making make access control decision in modern information system. But a formal context model is needed to guide research of implementation of Context-se...
Weili Han, Junjing Zhang, Xiaobo Yao
POLICY
2007
Springer
14 years 3 months ago
Distributed Enforcement of Unlinkability Policies: Looking Beyond the Chinese Wall
We present a discretionary access control framework that can be used to control a principal’s ability to link information from two or more audit records and compromise a user’...
Apu Kapadia, Prasad Naldurg, Roy H. Campbell
SACMAT
2006
ACM
14 years 3 months ago
Fine-grained role-based delegation in presence of the hybrid role hierarchy
Delegation of authority is an important process that needs to be captured by any access control model. In role-based access control models, delegation of authority involves delega...
James B. D. Joshi, Elisa Bertino
CSSE
2004
IEEE
13 years 9 months ago
AdOrBAC: an administration model for Or-BAC
Even though the final objective of an access control model is to provide a framework to decide if actions performed by subjects on objects are permitted or not, it is not convenie...
Frédéric Cuppens, Alexandre Mi&egrav...