Using relational algebra on the specification of real world ETL processes

Modeling Extract-Transform-Load (ETL) processes of a Data Warehousing System has always been a challenge. The heterogeneity of the sources, the quality of the data obtained and the conciliation process are some of the issues that must be addressed in the design phase of this critical component. Comm...

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Bibliographic Details
Main Author: Santos, Vasco (author)
Other Authors: Belo, Orlando (author)
Format: article
Language:eng
Published: 2015
Subjects:
Online Access:http://hdl.handle.net/1822/54498
Country:Portugal
Oai:oai:repositorium.sdum.uminho.pt:1822/54498