Presentation on identity management (in German). A 14 slide presentation describing the basic concepts of identity management. The presentation was an invited talk at the Gesellschaft für Informatik Köln, 12th of July 2004
"Konzepte und Lösungen zum Identitätsmanagement für Unternehmen" (in German). An article in the publication "Information Security Management", 6. Akt.-Liefg. of TÜV Rheinland. This document is not available for download, but can be purchased here.