QUALITY EVALUATION OF CONCEPTUAL LEVEL OBJECT-ORIENTED MULTIDIMENSIONAL DATA MODEL

A. Sarkar, S. Choudhury, N. Chaki, and S. Bhattacharya

Keywords

Conceptual data model quality, multidimensional data model metrics, multidimensional data model, graph data model, objectoriented metrics, software measurement

Abstract

Efficient data warehouse (DW) design depends on the quality of a conceptual model. In this paper, a set of quality metrics have been proposed along with the theoretical validation for quality measurement of conceptual level object-oriented multidimensional data model. The paper also describes the designer level and user level viewpoints of quality evaluation through the criteria like complexity, completeness, expressiveness and analysability. Finally, the work focuses on the empirical validation of the set of metrics and measurements. The empirical validation process shows the usefulness of the proposed metrics for the assessment of operability factor of conceptual level multidimensional data model. Significant correlations exist among the proposed quality measurements and operability factors. The proposed quality evaluation framework is verified in context of a graph semantic-based object-oriented multidimensional data model GOOMD.

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