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Schema matching is a critical problem for achieving semantic interoperability between heterogeneous information sources, and plays a key role in database applications. The aim of schema matching problem (SMP) is to find semantic correspondences between two schemas and indeed a combinatorial problem. In this paper, we use the labeled graph as the internal schema model, so SMP can be formulized as a...
The fundamental features of the non-fregean logic (formulated both in structural and in invariant version) are discussed. Moreover the difference between two notions introduced by Suszko in his article 'Reification of situations' is analyzed, and namely - those of semantic homomorphism (projection of the set of sentences of a given language into the universe of situations) and of reification of situations...
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