Building the data warehouse
ConQuer: A Conceptual Query Language
ER '96 Proceedings of the 15th International Conference on Conceptual Modeling
Conceptual Queries Using ConQuer-II
ER '97 Proceedings of the 16th International Conference on Conceptual Modeling
Fundamentals of Database Systems (5th Edition)
Fundamentals of Database Systems (5th Edition)
Model Driven Development with NORMA
HICSS '07 Proceedings of the 40th Annual Hawaii International Conference on System Sciences
Information Modeling and Relational Databases
Information Modeling and Relational Databases
Using object role modeling for effective in-house decision support systems
OTM'05 Proceedings of the 2005 OTM Confederated international conference on On the Move to Meaningful Internet Systems
OTM'06 Proceedings of the 2006 international conference on On the Move to Meaningful Internet Systems: AWeSOMe, CAMS, COMINF, IS, KSinBIT, MIOS-CIAO, MONET - Volume Part II
Evolution of a dynamic multidimensional denormalization meta model using object role modeling
OTM'06 Proceedings of the 2006 international conference on On the Move to Meaningful Internet Systems: AWeSOMe, CAMS, COMINF, IS, KSinBIT, MIOS-CIAO, MONET - Volume Part II
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This paper proposes an extension to the Value Concatenation / Value Separation schema transformation defined for Object-Role Modeling. The basic transformation can be applied to convert a many-to-many fact type to a functional fact type. When applied, the transformation generates a new multivalued object type where values are derived from an existing single-valued object type. Motivated by techniques applied in dimensional modeling applications, Value Grouping considers the various options available in the grouping process and is seen as an extension to the basic Value Concatenation / Value Separation schema transformation.