100+ Negated subgoals PowerPoint (PPT) Presentations, Negated subgoals PPTs

Negated subgoals - PowerPoint PPT Presentation

Datalog

Datalog. S. Costantini. Datalog base: notazione, esempi, semantica. Datalog. A language for Deductive Databases Extensional part: tables Intensional part: rules. Logic: Intuition. Datalog Terminology: Atoms.

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1.02k views • 86 slides

Datalog

Datalog. Inspired by the impedance mismatch in relational databases. Main expressive advantage: recursive queries. More convenient for analysis: papers look better. Without recursion but with negation it is equivalent in power to relational algebra

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221 views • 11 slides

Logic Based Query Languages

Logic Based Query Languages. Relational calculus:. Datalog: - enables expressing recursive queries - more convenient for analysis - without recursion but with negation it is equivalent in power to relational algebra. Datalog Concepts. Atoms Datalog rules, datalog programs

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216 views • 11 slides

Datalog

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140 views • 11 slides

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Negated subgoals - PowerPoint PPT Presentation

Datalog

Datalog

Logic Based Query Languages

Datalog