On relationships offering new drill-across possibilities

  • Authors:
  • Alberto Abelló;José Samos;Fèlix Saltor

  • Affiliations:
  • U. Politècnica de Catalunya, Barcelona;U. de Granada, Granada;U. Politècnica de Catalunya, Barcelona

  • Venue:
  • Proceedings of the 5th ACM international workshop on Data Warehousing and OLAP
  • Year:
  • 2002

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Abstract

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, and Flow) that allow to drill across them.