Owl:Restriction

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Adds a Restriction to a statement: 

<owl:Restriction>
  <owl:onProperty rdf:resource="(some property)" />
  (precisely one value or cardinality constraint, see below)
</owl:Restriction>

[edit] Examples

<owl:Restriction>
  <owl:onProperty rdf:resource="#hasParent" />
  <owl:allValuesFrom rdf:resource="#Human"  />
</owl:Restriction>

<owl:Restriction>
  <owl:onProperty rdf:resource="#hasParent" />
  <owl:hasValue rdf:resource="#Clinton" />
</owl:Restriction>

<owl:Restriction>
  <owl:onProperty rdf:resource="#hasParent" />
  <owl:maxCardinality rdf:datatype="&xsd;nonNegativeInteger">2</owl:maxCardinality>
  <owl:minCardinality rdf:datatype="&xsd;nonNegativeInteger">2</owl:minCardinality>
</owl:Restriction>

<owl:Restriction>
  <owl:onProperty rdf:resource="#hasParent" />
  <owl:cardinality rdf:datatype="&xsd;nonNegativeInteger">2</owl:cardinality>
</owl:Restriction>

[edit] See also

Retrieved from "http://semanticweb.org/wiki/Owl:Restriction"
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