Data Integration by Bi-Directional Schema Transformation Rules (2003)
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BibTeX
@MISC{McBrien03dataintegration,
author = {Peter McBrien and Alexandra Poulovassilis},
title = {Data Integration by Bi-Directional Schema Transformation Rules},
year = {2003}
}
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Abstract
In this paper we describe a new approach to data integration which subsumes the previous approaches of local as view (LAV) and global as view (GAV). Our method, which we term both as view (BAV), is based on the use of reversible schema transformation sequences. We show how LAV and GAV view definitions can be fully derived from BA V schema transformation sequences, and how BA V transformation sequences may be partially derived from LAV or GAV view definitions. We also show how BAV supports the evolution of both global and local schemas, and we discuss ongoing implementation of the BA V approach within the AutoMed project.
