Primer Background Knowledge

compared with
Current by evgeni.milev
on Feb 02, 2015 18:10.

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ex:author rdfs:range ex:Person .
{noformat}These statements indicate that {{ex:Person}} is a class, {{ex:author}} is a property, and that RDF statements using the {{ex:author}} property have instances of {{ex:Person}} as objects.
The {{rdfs:domain}} property is used to indicate that a particular property is used to describe a specific class of objects. For example, to indicate that the property {{ex:author}} applies to instances of class {{ex:Book}}, the following RDF statements are used:
{noformat}ex:Book rdf:type rdfs:Class .
ex:author rdf:type rdf:Property .