Based on the promising developments in Cloud Computing technologies in recent years, commercial computing resource services (e.g. Amazon EC2) or software-as-a-service offerings (e.g. Salesforce.com) came into existence. However, the relatively weak business exploitation, participation, and...

This paper presents the design and implementation of the GridEcon Marketplace. In addition to supporting a market mechanism for trading computing resources on a pay-per-use basis, this marketplace also provides an environment for integrating value-added support services. These value-added...

Within this paper, we present the GridEcon Platform, a testbed for designing and evaluating economics-aware services in a commercial Cloud computing setting. The Platform is based on the idea that the exact working of such services is difficult to predict in the context of a market and,...

This article outlines hoarding issues involving virtual goods (including databases, videos, images, avatars, and digital documents) in workplaces, households, and personal contexts. It explores the implications of the growing literature on digital or virtual hoarding for psychological as well as...

In this article, the implementation of an information strategy project in a Portuguese Real Estate company is analyzed. This involves its framing - historical and socio-economic - and a brief description of the activity sector in which the company operates. Several well managed projects have...