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Metrics for the Prediction of Evolution Impact in ETL Ecosystems: A Case Study

... Simitsis, A Papastefanatos, G ... range:  n/a The Extract-Transform-Load (ETL) flows are ...

Publication - pvassil - 04/25/2013 - 08:40 - 0 comments - 0 attachments

What-If Analysis for Data Warehouse Evolution

... Papastefanatos, G.; Vassiliadis, P.; Simitsis, A.; Vassiliou, Y. Author:  ... P Simitsis, A Vassiliou, Y ...

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

Language Extensions for the Automation of Database Schema Evolution

... Papastefanatos, G.; Vassiliadis, P.; Simitsis, A.; Aggistalis, K.; Pechlivani, F.; Vassiliou, Y. ... K Simitsis, A Papastefanatos, G ...

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

Design Metrics for Data Warehouse Evolution

... Papastefanatos, G.; Vassiliadis, P.; Simitsis, A.; Vassiliou, Y. Author:  ... P Simitsis, A Vassiliou, Y ...

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

Adaptive Query Formulation to Handle Database Evolution

... to handle database evolution. In this paper, we introduce a graph-based model that uniformly captures relations, views, constraints and ...

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

Hecataeus: A What-If Analysis Tool for Database Schema Evolution

... Small changes in the database configurations might impact a large number of applications and data stores around the system: queries and ... application programs might crash. HECATAEUS is a tool, which represents the database schema along with its dependent workload, ...

Publication - gpapas - 04/16/2013 - 07:27 - 0 comments - 0 attachments

Hecataeus: A Framework for Representing SQL Constructs as Graphs

... workflows). In this paper, we first introduce and sketch a graph-based model that that uniformly captures relations, views, constraints and queries. We then present Hecataeus, a tool for implementing and visualizing the above framework (Database s.e., ...

Publication - gpapas - 04/16/2013 - 06:38 - 0 comments - 1 attachment

Rule-based Management of Schema Changes at ETL sources

... Papastefanatos, G.; Vassiliadis, P.; Simitsis, A.; Sellis, T.; Vassiliou, Y. Author:  ... P Simitsis, A Sellis, T ...

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

Policy-regulated Management of ETL Evolution

... Papastefanatos, G.; Vassiliadis, P.; Simitsis, A.; Vassiliou, Y. Author:  ... P Simitsis, A Vassiliou, Y ...

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

HECATAEUS: Regulating Schema Evolution

... Papastefanatos, G.; Vassiliadis, P.; Simitsis, A.; Vassiliou, Y. Author:  ... P Simitsis, A Vassiliou, Y ...

Publication - gpapas - 04/15/2013 - 21:49 - 0 comments - 0 attachments