Die zunehmende Verbreitung von elektronischen Märkten aber auch die Fehlentwicklungen der letzten Jahre zeigen, dass eine strukturierte Vorgehensweise bei der Gestaltung und Implementierung elektronischer Märkte nicht nur sinnvoll, sondern auch notwendig ist. Ein wichtiger Schritt in diese...

The long tail phenomenon has been heavily discussed in recentyears. What has been neglected so far is its striking relevance forelectronic services. Whereas consumers expectations about informationgoods are often vague and transient, their requirements are pronouncedand specific when it comes to...

An electronic negotiation is a request-and-offer based communication process between agents in a market aiming at an agreement for a mutual consent deal. The process breaks in several phases, one of which is matchmaking. Matchmaking includes the determination of the relevance of a specific offer...

The Computational Gris is a promising technology for providing access to distributed high-end computational capabilities. It enables the execution of complex and computationally demanding applications such as simulations or multimedia-renderings. However, one of the key problems in the...