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Constraint graph

In constraint satisfaction research in artificial intelligence and operations research, constraint graphs and hypergraphs are used to represent relations among constraints in a constraint satisfaction problem. A constraint graph is a special case of a factor graph, which allows for the existence of free variables.

Art, Constraint hypergraph & Primal constraint graph

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Overview

Constraint hypergraph

Primal constraint graph

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Constraint graph

Nodes15
Edges14
Triples5
Avg. degree1.87
Density0.133333
Components1

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Constraint graph

Top relations

is a · 2
Constraint graph → graph in which the vertices are all constraint scopes involved in the constraints of the problem, special case of a factor graph
related to Primal constraint graph · 2
Constraint graph → Gaifman, The
related to Dual constraint graph · 1
Constraint graph → The

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Important terminology

constraint graph variables hypergraph vertices constraints problem satisfaction primal corresponding edge represent dual hyperedges correspond set properties constraint-vertex connected two

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Constraint graphis aspecial case of a factor graph0.90text
Constraint graphis agraph in which the vertices are all constraint scopes involved in the constraints of the problem0.90text
Constraint graphrelated to Dual constraint graphThe0.60section
Constraint graphrelated to Primal constraint graphThe0.60section
Constraint graphrelated to Primal constraint graphGaifman0.60section

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    Min side: 3
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