naval:shipUsedBy leaf node

@prefix : <http://rdf.muninn-project.org/ontologies/naval#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix naval: <http://rdf.muninn-project.org/ontologies/naval> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix void: <http://rdfs.org/ns/void#> .

:shipUsedBy a owl:ObjectProperty,
        skos:Concept ;
    rdfs:label "shipUsedBy"@en ;
    void:inDataset :datasetdefinition ;
    rdfs:domain :ShipClass,
        :ShipFunction ;
    rdfs:isDefinedBy naval: ;
    foaf:name "shipUsedBy" .