Grid technologies and the related concepts of utility computing and cloud computingenable the dynamic sourcing of computer resources and services, thus allowing enterprisesto cut down on hardware and software expenses and to focus on key competencies andprocesses. Resources are shared across...

Research on services and their appropriate design is still scarce in healthcare and needs to be advanced. The contribution of this work is twofold: First, we derive appropriate metrics for measuring service quality from our interdisciplinary work on the stroke chain of survival. Second, we...

The current trend towards dynamic and highly scalableservice provisioning fosters the rise of Software as a Service(SaaS) platforms and so called Compute Clouds. Theon-demand provisioning of services gains more and moreinfluence. For offering enriched services that are capableof performing...

In this article we point at the large potentials that corporate community portals can have to support the business model of companies. In particular corporate community portals of the next generation are characterized by the integration of business intelligence tools which can facilitate or even...

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...

Prediction markets are a promising approach forpredicting uncertain future events and developments.These markets will work well if they are efficient and inefficient markets, one does not expect arbitrageopportunities to be persistent. This paper thereforestudies whether pure arbitrage...