Doctor of Philosophy

The continued advances in service-oriented computing and global communications have created a strong technology push for online information sharing and business transactions among enterprises, organizations and individuals. While these communities offer enormous opportunities, they also present...

Das netzwerkbasierte Angebot von Diensten in der IT verlagert sich vom bisher dominierenden Client-Server-Ansatz immer stärker in Richtung verteilter Systeme, welche durch Flexibilität, Skalierbarkeit und nicht zuletzt geringe Kosten eine attraktive Alternative zu wartungsintensiven und teuren...

Originally, the Internet was a technological playground, a collaborative endeavor among researchers who shared the common goal of achieving communication. Self-interest used not to be a concern, but the motivations of the Internet's participants have broadened. Today, the Internet consists of...