A data warehouse is a large collection of data, from a wide range of sources, that is generally used within a company to guide management decisions. Developing a data warehouse that fits the needs of the decisions maker(s) is a real challenge. This paper proposes a method, named CADWA, that guides data warehouse analyst in the elicitation of decisions-makers requirements and in their operationalization into a data warehouse model. The CADWA model is explained step by step, using illustrations and a case study.

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