Composing local-as-view mappings: closure and applications

ICDT, pp. 209-218, 2010.

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Keywords:
mapping composition problemcomposition resultlav mappinglocal-as-view mappinglav mapping mstMore(9+)

Abstract:

Schema mapping composition is a fundamental operation in schema management and data exchange. The mapping composition problem has been extensively studied for a number of mapping languages, most notably source-to-target tuple-generating dependencies (s-t tgds). An important class of s-t tgds are local-as-view (LAV) tgds. This class of map...More

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