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Abstract: Application scenarios such as legacy data migration, Extract-TransformLoad (ETL) processes, and data cleaning require the transformation of input tuples into output tuples. Traditional approaches for implementing these data transformations enclose solutions as Persistent Stored Modules (PSM) executed by an RDBMS or transformation code using a commercial ETL tool. Neither of these is easily maintainable or optimizable. (Update)
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BibTeX entry: (Update)
@misc{ carreira-extending,
author = "Paulo Carreira and Antonia Lopes and Helena Galhardas and Joao Pereira",
title = "Extending the Relational Algebra with the Mapper Operator",
url = "citeseer.ist.psu.edu/carreira05extending.html" }
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