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In recent years promising approaches that provide the graphical development of service-based interactive applications were presented, but they still lack of simple platform-independent modeling and variability. We address this issue by exploiting the concept of service annotations to establish a hybrid development methodology that relies on a novel concept named temporal annotations to specify the...
With the increasing popularity of stream-based information sources on the Web, a seemingly continuous and endless flow of messages is generated and propagated to the users. This makes it important to provide systems for reducing the information load on users by employing filtering and ranking techniques. Constructing such systems is an important task in the research domain of Internet Information...
On the Web, an increasing amount of information related to specific activities is scattered over various heterogeneous sources. In the domain of software development projects, where workflows are accompanied by different tools, it is becoming increasingly difficult to get an overview of the current situation, as decision and development processes are usually distributed among multiple sources. In...
Die EnBW Transportnetze AG (TNG) ist der Übertragungsnetzbetreiber (ÜNB) der Energie Baden-Württemberg AG. Das Erneuerbare Energien Gesetz verpflichtet die Netzbetreiber zur vollständigen Abnahme der (schwankenden) Stromeinspeisungen aus erneuerbaren Energien. Eine Aufgabe der ÜNB ist die Umwandlung dieser Einspeisungen in ein konstantes Lieferband. Dazu hat die TNG den Handel an der Leipziger Strombörse...
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