@prefix spin: <http://spinrdf.org/spin#> .
@prefix schema: <http://schema.org/> . 

<#property>
rdfs:label "property";
rdfs:comment "An Attribute of a Class. An Attribute being a Name=Value pairing.";
rdfs:subPropertyOf spin:constraint .

schema:MedicalEntity
    a rdfs:Class ;
    rdfs:subClassOf schema:Thing, [ a owl:Class ;
                                                      <#predicate> schema:code ;
                                                      <#valueType> schema:MedicalCode ;
                                                      rdfs:label "code" ;
                                                      rdfs:comment "A medical code for the entity, taken from a controlled vocabulary or ontology
                                                                            such as ICD-9, DiseasesDB, MeSH, SNOMED-CT, RxNorm, etc."
    ] .