An effective access control approach to support web service security
Proceedings of the 11th International Conference on Information Integration and Web-based Applications & Services
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Web-based portals have been increasingly used to integrate information from a variety of back-end Web services. In these systems, security is a critical feature. This paper presents a SAML/XACML based access control between portal and Web services to extend the authentication and authorization mechanism within a portal to external Web services.