Logic and data exchange: which solutions are "good" solutions?

    LOFT, pp. 61-85, 2008.

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    Keywords:
    special emphasisquery answeringuniversal solutiondata exchangedata structureMore(2+)

    Abstract:

    This paper gives an introduction into the area of data exchange, with a special emphasis on the question of which solutions can be considered "good" solutions. We shall concentrate on notions of "good" solutions for query answering, in particular, universal solutions, the core of the universal solutions, and CWA-solutions.

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