Abstract
We discuss the problem of preservation of semantics of data in data exchange systems. Semantics of data is defined in a source database schema by means of integrity constraints and we expect that the semantics will be preserved after transforming the data into a target database. The transformation is defined by means of schema mappings. In order to reason about soundness and completeness of such mappings with respect to semantics preservation, we propose a method of developing a knowledge base capturing both databases and mappings in a data exchange system.Then formal reasoning about consistency of schema mappings with integrity constraints of databases and with knowledge of application domain can be performed.
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Pankowski, T. (2013). Semantics Preservation in Schema Mappings within Data Exchange Systems. In: Graña, M., Toro, C., Howlett, R.J., Jain, L.C. (eds) Knowledge Engineering, Machine Learning and Lattice Computing with Applications. KES 2012. Lecture Notes in Computer Science(), vol 7828. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-37343-5_10
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DOI: https://doi.org/10.1007/978-3-642-37343-5_10
Publisher Name: Springer, Berlin, Heidelberg
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