Search: in, Papastefanatos, G, 10 - 49

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What-If Analysis for Data Warehouse Evolution

... 10 - 49 In this paper, we deal with the problem of performing what-if analysis for changes that occur in the schema/structure of the data warehouse sources. We abstract software ...

Publication - pvassil - 04/17/2013 - 04:49 - 0 comments - 0 attachments

Language Extensions for the Automation of Database Schema Evolution

... Systems face the problem of maintaining their systems in the presence of frequently occurring changes in any counterpart of it. In other words, when a change occurs in any point of ...

Publication - gpapas - 04/16/2013 - 08:27 - 0 comments - 1 attachment

Design Metrics for Data Warehouse Evolution

... same design construct. The behavior of the chosen design in the presence of evolution events is an important parameter for this choice. ...

Publication - gpapas - 04/16/2013 - 08:16 - 0 comments - 0 attachments

Adaptive Query Formulation to Handle Database Evolution

... queries and applications, mainly due to the fact that, in most cases, their role as integral parts of the environment is not given the ... the queries are not designed to handle database evolution. In this paper, we introduce a graph-based model that uniformly captures ...

Publication - gpapas - 04/16/2013 - 07:38 - 0 comments - 1 attachment

Policy-regulated Management of ETL Evolution

... 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