Communications of the ACM
The Data Warehouse Toolkit: The Complete Guide to Dimensional Modeling
The Data Warehouse Toolkit: The Complete Guide to Dimensional Modeling
Distributed Component-Based Tailorability for CSCW Applications
ISADS '99 Proceedings of the The Fourth International Symposium on Autonomous Decentralized Systems
Information-rich commerce at a crossroads: business and technology adoption requirements
Communications of the ACM - Why CS students need math
XForms Essentials
Managing Security Policy in a Large Distributed Web Services Environment
COMPSAC '03 Proceedings of the 27th Annual International Conference on Computer Software and Applications
A protection scheme for collaborative environments
Proceedings of the 2003 ACM symposium on Applied computing
Service-Oriented Architecture: A Field Guide to Integrating XML and Web Services
Service-Oriented Architecture: A Field Guide to Integrating XML and Web Services
Using Web Services Implementing Collaborative Design for CAD Systems
SCC '04 Proceedings of the 2004 IEEE International Conference on Services Computing
Security architecture for open collaborative environment
EGC'05 Proceedings of the 2005 European conference on Advances in Grid Computing
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A collaborative environment to improve and streamline approval processes online is presented. A scenario for approving requests to access sensitive medical data records for research purposes from a medical data warehouse at a teaching hospital is used to illustrate the special requirements needed for collaborative approval processes. The architectural framework to support such processes is defined. It includes support for collaborative signatures, a service-oriented architecture to integrate security mechanisms, policy-based control to address privacy issues and categorisation and anonymisation of data along multiple dimensions to control access within a collaborative environment.