Composition and inversion of schema mappings

  title={Composition and inversion of schema mappings},
  author={Marcelo Arenas and Jorge P{\'e}rez and Juan L. Reutter and Cristian Riveros},
  journal={SIGMOD Record},
A schema mapping is a specification that describes how data from a source schema is to be mapped to a target schema. Schema mappings have proved to be essential for data-interoperability tasks such as data exchange and data integration. The research on this area has mainly focused on performing these tasks. However, as Bernstein pointed out [7], many information-system problems involve not only the design and integration of complex application artifacts, but also their subsequent manipulati on… CONTINUE READING
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