foaf:accountName leaf node

@prefix : <http://stelar-project.eu/klms#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix vann: <http://purl.org/vocab/vann/> .

foaf:accountName a owl:DatatypeProperty ;
    dcterms:identifier "foaf:accountName" ;
    vann:usageNote "Recommended property. Indicates the name (identifier) associated with a user account."@en ;
    rdfs:comment "Indicates the name (identifier) associated with a user account."@en ;
    rdfs:domain :User ;
    rdfs:isDefinedBy foaf: ;
    rdfs:range rdfs:Literal .