Many quality aspects of software systems are addressed in the existing literature on software architecture patterns. But the aspect of system administration seems to be a bit overlooked, even though it is an important aspect too. In this work we present three software architecture patterns that, when …

When does decentralized production of biogas and centralized upgrading and injection in the natural gas grid make sense?

The media are an integral part of how advanced societies are controlled. After almost a century of ‘broadcasting’, a new media logic can be seen to have emerged. It is not centralized, nor does it appear to depend on manipulative power (such as the priming and framing of news and thereby the agenda …

Traditional information systems for crisis response and management are centralized systems with a rigid hierarchical structure. Here we propose a decentralized system, which allows citizens to play a significant role as information source and/or as helpers during the initial stages of a crisis. In our …

On the internet we enjoy a continuously growing generation of web applications enabling anyone to create and publish online content in a simple way, to link content and to share it with others. The internet has become a social software platform sailing under the Web 2.0 flag, creating revolutionary changes …

This article analyzes negative externalities that policymakers in one region or group may impose upon the citizens of neighboring regions or groups. These externalities may be material, but they may also be psychological (in the form of envy). The latter form of externality may arise from the production …

Due to financial constraints, armed forces are being down-sized, and due to the need for joint operations the organizational structure of the Dutch Armed Forces has changed drastically. Policy-making has been centralized. Navy, Army and Air Force are brought under one com-mand and support has been concentrated. …

This paper will discuss the process of the MA program ePedagogy / Visual Knowledge Building during the first semester of the academic year 2005 – 2006. This MA program is a joint venture between the Universities of Helsinki, Hamburg and INHOLLAND. This publication will discuss and evaluate the concrete …