Analytische Informationssysteme: Data Warehouse, On-Line by Peter Gluchowski, Peter Chamoni

By Peter Gluchowski, Peter Chamoni

Informationssysteme für die analytischen Aufgaben von Fach- und Führungskräften treten verstärkt in den Vordergrund. Dieses etablierte Buch diskutiert und evaluiert Begriffe und Konzepte wie enterprise Intelligence und significant facts. Die aktualisierte und erweiterte fünfte Auflage liefert einen aktuellen Überblick zu Technologien, Produkten und tendencies im Bereich analytischer Informationssysteme. Beiträge aus Wirtschaft und Wissenschaft geben einen umfassenden Überblick und eignen sich als fundierte Entscheidungsgrundlage beim Aufbau und Einsatz derartiger Technologien.

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Extra info for Analytische Informationssysteme: Data Warehouse, On-Line Analytical Processing, Data Mining

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In general, the companies in our study are receiving these anticipated benefits. There are other benefits from data warehousing that were not seen in our sample of companies. Two important ones are redesigning business processes and using the warehause to support strategic business objectives. A leading example of this is at Wal-Mart [Wild97]. Its warehause is an important contributor to its · strategy of affering quality products at a low cost. Using the warehouse, Wal-Mart is able to manage the supply chain more effectively, keeping inventory to a minimum.

It is this benefit that has proven most significant. Custom's offlcers have been able to prevent criminal acts that would otherwise have gone unnoticed, such as money laundering. Since there was no formal proposal, there was little emphasis on projected costs. 2 million. However, some of the costs were not even known to IS and remain unknown to them. Because consultants, which were outside of the IS's realm, were brought into the project, their salaries were not known to IS and were not factored into the offlcial data warehouse budget.

Any successful data warehause effort should reduce the time and effort required to prepare and access needed information; increase the information that is available to users; result in information that is more timely, accurate, and relevant; improve the productivity of IS and users; and Iead to better decisions. In general, the companies in our study are receiving these anticipated benefits. There are other benefits from data warehousing that were not seen in our sample of companies. Two important ones are redesigning business processes and using the warehause to support strategic business objectives.

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