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COMPSAC
2001
IEEE
13 years 11 months ago
Utilizing Object-Oriented Databases for Concurrency Control in Virtual Environments
Virtual Reality Modeling Language (VRML) is widely used to represent, create, and display virtual reality objects and their environment. Some VRML applications require concurrent ...
Damla Turgut, Nevin Aydin, Ramez Elmasri, Begumhan...
COMPSAC
2001
IEEE
13 years 11 months ago
Certificate Based Authorization Simulation System
Using certificates for distributed authorizations in computer network systems has been discussed in the literature. However real implementations of the concept are rarely seen. In...
Jie Dai, Jim Alves-Foss
COLCOM
2007
IEEE
14 years 1 months ago
Towards trust-aware access management for ad-hoc collaborations
—In an ad-hoc collaborative sharing environment, attribute-based access control provides a promising approach in defining authorization over shared resources based on users’ p...
Jing Jin, Gail-Joon Ahn, Mohamed Shehab, Hongxin H...
COLCOM
2008
IEEE
14 years 2 months ago
A Constraint and Attribute Based Security Framework for Dynamic Role Assignment in Collaborative Environments
Abstract. We investigate a security framework for collaborative applications that relies on the role-based access control (RBAC) model. In our framework, roles are pre-defined and...
Isabel F. Cruz, Rigel Gjomemo, Benjamin Lin, Mirko...
POLICY
2007
Springer
14 years 1 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