@prefix :       <http://example.org/> .
@prefix sh:     <http://www.w3.org/ns/shacl#> .
@prefix xsd:    <http://www.w3.org/2001/XMLSchema#> .
        
:Person a sh:NodeShape;
   sh:closed true ;
   sh:property [                  
    sh:path     :name ; 
    sh:minCount 1; 
    sh:maxCount 1;
    sh:datatype xsd:string ;
  ] ;
  sh:property [                   
   sh:path     :birthDate ; 
   sh:maxCount 1; 
   sh:datatype xsd:date ;
  ] ;
  sh:property [                   
   sh:path     :enrolledIn ; 
   sh:node    :Course ;
  ] .
:Course a sh:NodeShape;
   sh:closed true ;
   sh:property [                  
    sh:path     :name ; 
    sh:minCount 1; 
    sh:maxCount 1;
    sh:datatype xsd:string ;
  ] .