'Safe rules' diaporamas de présentation

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.

1.02k views • 86 slides

Motivation for Datalog

Motivation for Datalog. Motivation (1). We have a relation Bus(from, to). Consider the following 2 queries:. SELECT DISTINCT B1.from, B2.to FROM Bus B1, Bus B2 WHERE B1.to = B2.from;. What do these queries compute?. SELECT DISTINCT B1.from, B2.to FROM Bus B1, Bus B2, Bus B3

622 views • 55 slides

Datalog

577 views • 55 slides

Automatic Program Rewriting in Non-Ground Answer Set Programs

Automatic Program Rewriting in Non-Ground Answer Set Programs. Nick Hippen & Yuliya Lierler University of Nebraska at Omaha. Outline. Background Projection Experimental Results. BACKGROUND. What is Answer Set Programming (ASP)?. Head Body.

373 views • 36 slides