Sciweavers

SACMAT
2003
ACM
14 years 4 months ago
Dependencies and separation of duty constraints in GTRBAC
A Generalized Temporal Role Based Access Control (GTRBAC) model that captures an exhaustive set of temporal constraint needs for access control has recently been proposed. GTRBACā...
James Joshi, Basit Shafiq, Arif Ghafoor, Elisa Ber...
SACMAT
2004
ACM
14 years 4 months ago
X-GTRBAC admin: a decentralized administration model for enterprise wide access control
Access control in enterprises is a key research area in the realm of Computer Security because of the unique needs of the target enterprise. As the enterprise typically has large ...
Rafae Bhatti, James Joshi, Elisa Bertino, Arif Gha...
POLICY
2005
Springer
14 years 5 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
WORDS
2005
IEEE
14 years 5 months ago
A Role-Based Access Control Policy Verification Framework for Real-Time Systems
This paper presents a framework for verifying the access control requirements of real-time application systems such as workflow management systems and active databases. The tempor...
Basit Shafiq, Ammar Masood, James Joshi, Arif Ghaf...
MOBIQUITOUS
2005
IEEE
14 years 5 months ago
A SIP-based Architecture model for Contextual Coalition Access Control for Ubiquitous Computing
A significant deterrent to the ability to connect in a spontaneous manner in cross-enterprise collaborative applications is the difficulty in users from different domains being ab...
Ramiro Liscano, Kaining Wang
ECTEL
2007
Springer
14 years 5 months ago
Role Based Access Control for the Interaction with Search Engines
Search engine-based features are a basic interaction mean for users to ļ¬nd information inside a Web-based Learning Management Systems (LMS); nonetheless, traditional solutions la...
Alessandro Bozzon, Tereza Iofciu, Wolfgang Nejdl, ...
IEEEARES
2007
IEEE
14 years 5 months ago
A Near-Real-Time Behaviour Control Framework
The NuBric behaviour control framework (BCF) is a near-real-time framework written entirely in Java based on the paradigms of both role based access control (RBAC) and policy base...
Bastian Preindl, Alexander Schatten
AINA
2007
IEEE
14 years 5 months ago
Flexible and Manageable Delegation of Authority in RBAC
One of the most challenging problems in managing large networks is the complexity of security administration. Role based access control (RBAC) has become the predominant model for...
Tuan-Anh Nguyen, Linying Su, George Inman, David W...
ACSAC
2008
IEEE
14 years 6 months ago
The Role Hierarchy Mining Problem: Discovery of Optimal Role Hierarchies
Role hierarchies are fundamental to the role based access control (RBAC) model. The notion of role hierarchy is a well understood concept that allows senior roles to inherit the p...
Qi Guo, Jaideep Vaidya, Vijayalakshmi Atluri
SACMAT
2009
ACM
14 years 6 months ago
Symbolic reachability analysis for parameterized administrative role based access control
Role based access control (RBAC) is a widely used access control paradigm. In large organizations, the RBAC policy is managed by multiple administrators. An administrative role ba...
Scott D. Stoller, Ping Yang, Mikhail I. Gofman, C....