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On Relationships Offering New Drill-across Possibilities

By Alberto Abelló, U. Politècnica De Catalunya and C Manuel GironaJosé Samos, Fèlix Saltor, U. Politècnica De Catalunya and C Manuel Girona


OLAP tools divide concepts based on whether they are used as analysis dimensions, or are the fact subject of analysis, which gives rise to star shape schemas. Operations are always provided to navigate inside such star schemas. However, the navigation among different stars is usually overlooked. This paper studies different kinds of Object-Oriented conceptual relationships (part of UML standard) between stars (namely Derivation, Generalization, Association, andFlow) that allow to drill across them

Topics: Categories and Subject Descriptors H.2.8 [Database Management, Database Applications General Terms Design Keywords Multidimensional design, UML, drill-across, semantics
Year: 2002
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