case study

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

Papastefanatos, George; Vassiliadis, Panos; Simitsis, Alkis; Vassiliou, Yannis
Journal on Data Semantics

The Extract-Transform-Load (ETL) flows are essential for the success of a data warehouse and the business intelligence and decision support mechanisms that are attached to it. During both the ETL design phase and the entire ETL lifecycle, the ETL architect needs to design and improve an ETL design in a way that satisfies both performance and correctness guarantees and often, she has to choose among various alternative designs.

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