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 paper, we discuss the problem of performing impact prediction for changes that occur in the schema/structure of the data warehouse sources. We abstract ... of our approach over real-world ETL workflows used in the Greek public sector. (Data Warehouses, ETL, Evolution, Impact of ...

Publication - gpapas - 04/16/2013 - 04:05 - 0 comments - 0 attachments