@prefix gist: <https://w3id.org/semanticarts/ns/ontology/gist/> .
@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 skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

gist:isAssignmentOf gist:domainIncludes gist:Assignment .

gist:isAssignmentTo gist:domainIncludes gist:Assignment .

gist:Assignment a owl:Class ;
    rdfs:label "Assignment"^^xsd:string ;
    rdfs:comment "DEFINITION: A temporal relationship between an assignee, the thing assigned, and the resource that made the assignment."^^xsd:string,
        "EXAMPLE: An employee is assigned to a task by a supervisor. A person is assigned to a position."^^xsd:string,
        "NOTE: Based on the Open World Assumption, the assigner may not be asserted or known."^^xsd:string,
        "NOTE: For some assignments, such as the assignment of a person to a task, it may seem equally correct in ordinary speech to say it is an assignment of a task to a person. Since gist:isAssignmentTo and gist:isAssignmentOf have no formal domains or ranges, the choice of which predicate to use for which is left as an implementation decision. Consistency is a key consideration."^^xsd:string ;
    rdfs:isDefinedBy <https://w3id.org/semanticarts/ontology/gistCore14.1.0> ;
    rdfs:subClassOf gist:TemporalRelation ;
    owl:equivalentClass [ a owl:Class ;
            owl:intersectionOf ( gist:TemporalRelation [ a owl:Restriction ;
                        owl:onProperty gist:hasGiver ;
                        owl:someValuesFrom owl:Thing ] [ a owl:Restriction ;
                        owl:onProperty gist:isAssignmentOf ;
                        owl:someValuesFrom owl:Thing ] [ a owl:Restriction ;
                        owl:onProperty gist:isAssignmentTo ;
                        owl:someValuesFrom owl:Thing ] ) ] ;
    skos:definition "A temporal relationship between an assignee, the thing assigned, and the resource that made the assignment."^^xsd:string ;
    skos:example "An employee is assigned to a task by a supervisor. A person is assigned to a position."^^xsd:string ;
    skos:prefLabel "Assignment"^^xsd:string ;
    skos:scopeNote "Based on the Open World Assumption, the assigner may not be asserted or known."^^xsd:string,
        "For some assignments, such as the assignment of a person to a task, it may seem equally correct in ordinary speech to say it is an assignment of a task to a person. Since gist:isAssignmentTo and gist:isAssignmentOf have no formal domains or ranges, the choice of which predicate to use for which is left as an implementation decision. Consistency is a key consideration."^^xsd:string .