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The central purpose of this paper is to present a novel framework supporting the specification and the implementation of media streaming services using XML and Java Media Framework (JMF). It provides an integrated service development environment comprising of a streaming service model, a service specification language and several implementation and retrieval tools. Our approach is based on a clear separation of a streaming service specification, and its implementation by a distributed JMF application and can be used for different streaming paradigms, e.g. push and pull services.
Die derzeitige Krise des deutschen Zeitungsmarkts ist vor allem bei den deutlichen Einbrüchen im Markt der Rubrikanzeigen und hier insbesondere im Stellengeschäft spürbar. Dabei treffen konjunkturelle Effekte, die den Stellenmarkt naturgemäß sehr stark beeinflussen, und strukturelle Probleme aufeinander. Neben der Gefahr einer Substitution durch die neuen technischen Möglichkeiten von Online-Plattformen zeichnet sich jedoch vor allem aus dem Markt eine schwierige Tendenz für die klassischen Printgeschäftsfelder im Stellenmarkt ab. Die Lage im Personalmarkt führt immer seltener zum Bedürfnis der rekrutierenden Unternehmen nach großer Reichweite für die Personalwerbung, sondern begünstigt die Einführung von Lösungen, die mit Bewerberverwaltung und -beurteilung auf Basis von internetgestützten IT-Anwendungen in der Lage sind, den kompletten Prozess von der Ausschreibung bis zur Einstellung zu rationalisieren und zu beschleunigen.Die Verlage haben als Reaktion Strategien entwickelt,mit denen Sie sich unterschiedlich intensiv auf Veränderungen in diesem Markt vorbereiten. Der Beitrag systematisiert die dabei auftretenden unterschiedlichen Verknüpfungen der Geschäftsfelder Print und Online.
Experimental and theoretical investigations of the time of equalization of the concentration of an impurity in a rectangular flow‐type chamber have been carried out. It has been shown that the process of equalization of the concentration with time is exponential in character. The characteristic equalization time has been computed using the theory of turbulent diffusion. Theoretical results describe experimental regularities with an accuracy of about 10%. The value of the coefficient of turbulent diffusion for different configurations of flows in the chamber has been obtained from a comparison of experimental and calculated results.
The need of suitable system of records in gaining ground as companies seek to maximize performance by harnessing the knowledge of their businesses, is discussed. Focused systems of record deliver a clear and consistent view even as they address a range of functions. Enterprise resource planning (ERP), as the financial system of record, embodies that view of manufacturing, inventory management, accounting and order processing. Customer relationship management (CRM), as a system of record, taps not only into the marketing and sales and service, but also into product development.
Nowadays the processing power of mobile phones, smartphones and PDAs is increasing as well as the transmission bandwidth. Nevertheless there is still the need to reduce the content and the need of processing the data. We discuss the proposals and solutions for dynamic reduction of the transmitted content. For that, device specific properties are taken into account, as much as for the aim to reduce the need of processing power at the client side to be able to display the 3D (virtual reality) data. Therefore, well known technologies, e.g. data compression are combined with new developed ideas to reach the goal of adaptive content transmission. To achieve a device dependant reduction of processing power the data have to be preprocessed at the server side or the server even has to take over functionality of weak mobile devices.