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Managing Schema Change in an Heterogeneous Environment

... (or view). However, existing support is lacking in two ways. First, change primitives as presented in literature are very limiting in terms of their capabilities allowing users ...

Publication - cat - 04/17/2013 - 06:38 - 0 comments - 0 attachments

Towards quality-oriented data warehouse usage and evolution

... 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