Roland Gabriel

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Using appropriate metadata is a central success factor for (re)engineering and using data warehouse systems effectively and efficiently. The approach presented in this paper aims to reduce the effort in developing and operating data warehouse systems and thus to increase the ability and acceptance of a data warehouse. To achieve these objectives identifying(More)
Enterprise information infrastructures are generally characterized by a multitude of information systems which support decision makers in fulfilling their duties. The object of information security management is the protection of these systems, whereas security information and event management (SIEM) addresses those information management tasks which focus(More)
This paper shows the results of a short survey taken place in February 2013 within German Hospitals. The present studies view is bottom-up and the interviews are done directly with the hospitals CIOs. There are some effects like the G-DRG implementation in Germany that are evident in the results. The survey indicates also the different methods of adapting(More)
Enterprises typically have to comply with many different legal, regulatory and internal requirements. Particularly in the context of information processing, there are dedicated regulations which demand the protection of the information infrastructure. From the authors’ point of view, organizational aspects are thereby one of the most critical improvement(More)
Wie können Universitäten Lern-Services anbieten, die bei einer konsequenten Zielgruppenorientierung (bis hin zur Lernindividualisierung) auch unter Kostengesichtspunkten wettbewerbsfähig realisierbar bleiben und damit didaktische und ökonomische Zielsetzungen erfolgreich zu integrieren vermögen? Der vorliegende Artikel zeigt mit dem Konzept der Mass(More)
The present paper aims to successfully deal with the needs of information security functions by providing a management tool which links business and information security objectives. In the past terms, information security has become fortunately a top management topic due to the recognition of the continuously increasing dependencies of the overall business(More)