Synonyms
Mapping
Definition
The problem of establishing associations between data structured under different schemas is at the core of many data integration and data sharing tasks. Schema mappings establish semantic connections between schemas. Given a source schema S and a target schema T, a schema mappingℳ is a specification of a relation between instances of S and instances of T. Given an instance of the source I and an instance of the target J that satisfy the mapping, say that \( \left.\left(I,J\right)\right|=\boldsymbol{\mathcal{M}} \). Research on schema mapping has focused on the formal specification of schema mappings, the semantics of mappings, along with techniques for creating schema mappings.
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Fuxman, A., Miller, R.J. (2018). Schema Mapping. In: Liu, L., Özsu, M.T. (eds) Encyclopedia of Database Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-8265-9_964
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DOI: https://doi.org/10.1007/978-1-4614-8265-9_964
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