Schema Evolution publication categorizer

... provide high level quality of data and quality of service. In the DWQ project we have proposed an architectural framework and a repository ... metadata which describes all the data warehouse components in a set of metamodels to which is added a quality metamodel, defining for each ...

Publication - cat - 04/17/2013 - 05:27 - 0 comments - 1 attachment

... 10 - 49 In this article we present extensional mappings, that are based on second order tuple generating dependencies between models in our Generic Role-based Metamodel GeRoMe. Our mappings support data ...

Publication - dk - 04/16/2013 - 22:27 - 0 comments - 0 attachments

... decision support. Due to the role of the data warehouses in the daily business work of an enterprise, the requirements for the ... of a data warehouse, i.e. the data warehouse must evolve in reaction to the enterprise’s evolution. Based on existing meta models ...

Publication - cat - 04/16/2013 - 22:16 - 0 comments - 1 attachment

... generalization of the elements of concrete metamodels in generic metaclasses would loose some of the specific features of the metamodels, or yield a prohibitive number of metaclasses in the GMM. To avoid these problems, we propose the Generic Role Based ...

Publication - admin - 04/16/2013 - 14:38 - 0 comments - 1 attachment