Configurative Reference Model-Based Development of Data Warehouse Systems

Abstract

Developing Data Warehouse Systems requires specifications of the underlying business need in the form of information models. The development of information models is often both expensive and extensive. Against this background, reference models provide useful means to reduce the costs of information modelling, because they can be used as a starting point for the construction of project-specific information models. However, reference models only provide benefits if the reduced effort resulting from their application is not overlapped by the adaptation costs. In this context, configurable reference models comprise rules which allow modifications of the original reference model depending on company or project individual determinations of configuration parameters. This paper provides concepts for a reference model-based Data Warehouse System development. Extensions of multi-dimensional modelling techniques are proposed which allow for configuring reference models. Moreover, influences of these reference models on the Data Warehouse engineering process are discussed and an appropriate tool support is presented. 1.

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