Die Frage nach Eigenfertigung oder Fremdbezug von IT-Servicedienstleistungen ist häufiger Bestandteil unternehmerischer Entscheidungen. Neben bekannten Outsourcingvarianten wie z. B. Application-Service-Provisioning, steht neuerdings eine weitere Alternative zur Verfügung: Cloud-Computing. In...

A Grid defines a particular type of technological and organizational interactionwithin a computational network, describing supply and demand for computationalor data services[1]. However, Service providers usually have more informationabout quality or availability of the services they provide,...

This paper examines the role of policies in different grid environments. A Grid technology becomes standardized and stable, various business models are envented and increasingly applied, and economic implications can be observed.Asymmetrically distributed information may allow for opportunistic...

This paper examines the role of policies in different grid environments. A Grid technology becomes standardized and stable, various business models are envented and increasingly applied, and economic implications can be observed.Asymmetrically distributed information may allow for opportunistic...

One of the main issues in the development of future Grid and Peer-to-Peer (P2P) networksystems is the efficient exploitation of services and resources available in the network.A scalable, dynamic, and adaptable allocation mechanism is essential so that quality ofservice requirements from network...

The primary target of the CATNETS project is the quantitative comparison between thetechnical and economic efficiency of market-based resource allocation mechanisms inapplication layer networks such as Grids. Here, two fundamentally different approachesare compared. A centralized –...

The primary target of the CATNETS project is the quantitative comparison between thetechnical and economic efficiency of market-based resource allocation mechanisms inapplication layer networks such as Grids. Here, two fundamentally different approachesare compared. A centralized –...

The paper describes the development of an agent-based simulation tool for hospital managers to manage their productivity of services, especially in the context of supporting services like patient transport logistics. The learning cockpit allows hospital managers to see how the change of inputs...

Bereits seit Anfang der 1990er Jahre wird jungen Wissenschaftlern im Vorfeld der Tagung 'Wirtschaftsinformatik' ein Doctoral Consortium als unterstützendes Forum angeboten. Diese Einrichtung wurde auch zur größten internationalen Konferenz der Wirtschaftsinformatik, der WI 2013 in Leipzig,...

The Internet has caused a revolution in trading. Especially cheap items are now easy to buy and sell on the Internet. As a consequence, sellers nowadays offer a wide range of products on the web, creating an abundance of choice for consumers. Consumers have the opportunity to browse on different...