Meta-Level Transformations in Systems Integration

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Authors

KOHOUTKOVÁ Jana

Year of publication 2002
Type Article in Proceedings
Conference Proc. of ADBIS 2002
MU Faculty or unit

Faculty of Informatics

Citation
Field Computer hardware and software
Keywords heterogeneous information systems; integration; interoperability; data modelling; graph representation
Description The paper provides a brief overview of the HyperMeData language specifically designed to support data interchange among heterogeneous information systems, and pays attention to meta-level transformation descriptions. The language is sufficiently complex and powerful to catch both intra- and inter- data schema relationships (i.e., to describe both data schemas and data transformations), nonetheless, its routine use requires employing a set of meta-level transformation rules to handle typical schematic differences among semantically similar database objects. The classification of schematic heterogeneities in multidatabases is used as the basis for proposing inter-attribute correspondences (meta-level transformation rules) and the respective translations to HyperMeData descriptions of data transformations (transformation rules).
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