.

ontology/graphofliberty.ttl

@@ -135,6 +135,7 @@ ldp:contains rdf:type owl:DatatypeProperty ;
 
 ###  https://graphofliberty.org/2026/04/ont/catalogId
 :catalogId rdf:type owl:DatatypeProperty ;
+           rdfs:domain :Entity ;
            rdfs:comment "An integer associated with the class for fast lookup in a database."@en ;
            rdfs:label "catalog id" .
 
@@ -165,6 +166,7 @@ ldp:contains rdf:type owl:DatatypeProperty ;
 
 ###  https://graphofliberty.org/2026/04/ont/Entity
 :Entity rdf:type owl:Class ;
+        rdfs:comment "An Entity is a first-class citizen of the Graph of Liberty catalog. It is the class of all cultural artifacts which are to be preserved and indexed."@en ;
         rdfs:label "Graph of Liberty Entity"@en .
 
 
@@ -214,16 +216,20 @@ fedora:lastModifiedBy rdf:type owl:NamedIndividual ;
 
 
 ###  http://www.w3.org/1999/02/22-rdf-syntax-ns#Property
-rdf:Property rdf:type owl:NamedIndividual ;
+rdf:Property rdf:type owl:NamedIndividual ,
+                      :Entity ;
              :associatedProperty rdfs:comment ,
-                                 rdfs:label ;
+                                 rdfs:label ,
+                                 skos:definition ;
              :catalogId "0"^^xsd:nonNegativeInteger .
 
 
 ###  http://www.w3.org/2000/01/rdf-schema#Class
-rdfs:Class rdf:type owl:NamedIndividual ;
+rdfs:Class rdf:type owl:NamedIndividual ,
+                    :Entity ;
            :associatedProperty rdfs:comment ,
-                               rdfs:label ;
+                               rdfs:label ,
+                               skos:definition ;
            :catalogId "1"^^xsd:nonNegativeInteger .