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Introduction Often reports need to show data in a tree-like structure. This is enabled via characteristic hierarchies in SAP BW. High level data is displayed using the top nodes of the hierarchy. More detailed data can be visualized by drilling down to the lower nodes of the hierarchy. Consider an example hierarchy Customer Contacts Hierarchy' that is used to qualify the telephone calls a telecommunications call center receives.  

Introduction Data integration processes are very time and resource consuming. The amount of data and the size of the datasets are constantly growing but data and information are still expected to be delivered on-time.

Introduction Early November 2010, IBM Cognos 10 was finally released. "Business Intelligence Unleashed” was the –as usual- catchy and (overly ?) promising marketing slogan. Expectations were rather high as this was the first major release since Cognos had been acquired by IBM in 2007. Currently part of the IBM Business Analytics software offering, IBM Cognos 10 offers a lot of enhancements compared to the previous version.