Has source vocabulary leaf node

@prefix omop: <https://w3id.org/omop/ontology/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix owlready: <http://www.lesfleursdunormal.fr/static/_downloads/owlready_ontology.owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

omop:has_source_vocabulary a owl:FunctionalProperty,
        owl:ObjectProperty ;
    rdfs:label "Has source vocabulary"^^xsd:string ;
    owlready:python_name "source_vocabulary"^^xsd:string ;
    rdfs:comment """For Source To Concept Map: A foreign key to the
VOCABULARY table defining the
vocabulary of the source code that
is being translated to a Standard
Concept."""@en ;
    rdfs:domain omop:SourceToConceptMap ;
    rdfs:range omop:Vocabulary ;
    omop:omop_cdm_name "source_to_concept_map.source_vocabulary_id#404 AS Vocabulary"^^xsd:string .