Add basic metadata properties

data/ontologies/digital-heraldry-ontology-objects.ttl

@@ -53,6 +53,11 @@ vann:preferredNamespacePrefix rdf:type owl:AnnotationProperty .
 #    Object Properties
 #################################################################
 
+###  http://digitalheraldry.org/digital-heraldry-ontology/objects#datedInCentury
+dhoo:datedInCentury rdf:type owl:ObjectProperty ;
+                    rdfs:subPropertyOf dhoo:hasDate .
+
+
 ###  http://digitalheraldry.org/digital-heraldry-ontology/objects#hasDate
 dhoo:hasDate rdf:type owl:ObjectProperty ;
              rdfs:domain dhoo:Object .
@@ -68,6 +73,14 @@ dhoo:hasLatestDate rdf:type owl:ObjectProperty ;
                    rdfs:subPropertyOf dhoo:hasDate .
 
 
+###  http://digitalheraldry.org/digital-heraldry-ontology/objects#hasLibraryPlace
+dhoo:hasLibraryPlace rdf:type owl:ObjectProperty .
+
+
+###  http://digitalheraldry.org/digital-heraldry-ontology/objects#hasTitle
+dhoo:hasTitle rdf:type owl:ObjectProperty .
+
+
 #################################################################
 #    Classes
 #################################################################