Constraint query languages

    Encyclopedia of GIS, 2017.

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    Keywords:
    efficient constraintconstraint query languagedata complexityconstraint query languagesconstraint logic programmingMore(8+)

    Abstract:

    We investigate the relationship between programming with constraints and database query languages. We show that efficient, declarative database programming can be combined with efficient constraint solving. The key intuition is that the generalization of a ground fact, or tuple, is a conjunction of constraints over a small number of varia...More

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