Monotonic Aggregation in Deductive Datab
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Kenneth A Ross; Yehoshua Sagiv
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Article
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1997
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Elsevier Science
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English
β 757 KB
We propose a semantics for aggregates in deductive databases based on a notion of minimality. Unlike some previous approaches, we form a minimal model of a program component including aggregate operators, rather than insisting that the aggregate apply to atoms that have been fully determined or that