Mike Wiesner demoes using Spring Security 3 with its new features, such as expression language-based authorization and extensions, to implement authentication and authorization in Java applications.
A. Hotho, R. Jäschke, C. Schmitz, and G. Stumme. Proceedings of the First Conceptual Structures Tool Interoperability Workshop at the 14th International Conference on Conceptual Structures, page 87-102. Aalborg, Aalborg Universitetsforlag, (2006)