Value invention in data exchange

SIGMOD Conference, pp. 157-168, 2013.

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Keywords:
fo semanticsskolem functionpopular mapping languageincomplete informationequivalent fo mappingMore(7+)

Abstract:

The creation of values to represent incomplete information, often referred to as value invention, is central in data exchange. Within schema mappings, Skolem functions have long been used for value invention as they permit a precise representation of missing information. Recent work on a powerful mapping language called second-order tuple...More

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