@prefix frbr: <http://purl.org/vocab/frbr/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix vann: <http://purl.org/vocab/vann/> .

frbr:Endeavour a owl:Class ;
    rdfs:label "endeavour"@en ;
    vann:example """
        :my-resource a frbr:Endeavour .
        """ ;
    rdfs:comment "The set of different aspects of user interests in the products of intellectual or artistic artifact."@en ;
    rdfs:isDefinedBy frbr: ;
    owl:equivalentClass [ a owl:Class ;
            owl:unionOf ( frbr:Expression frbr:Item frbr:Manifestation frbr:Work ) ] .