diff --git a/src/test/resources/minimal.ttl b/src/test/resources/minimal.ttl
index 583aaee..01f7317 100644
--- a/src/test/resources/minimal.ttl
+++ b/src/test/resources/minimal.ttl
@@ -27,4 +27,26 @@ xsd:duration a rdfs:Datatype .
 #
 #    Object Properties
 #
-#################################################################
\ No newline at end of file
+#################################################################
+
+as:actor a owl:ObjectProperty ;
+  rdfs:label "actor"@en ;
+  rdfs:domain as:Activity ;
+  rdfs:comment "Subproperty of as:attributedTo that identifies the primary actor"@en ;
+  rdfs:subPropertyOf as:attributedTo ;
+  rdfs:range [
+    a owl:Class ;
+    owl:unionOf (as:Object as:Link)
+  ] .
+
+as:attributedTo a owl:ObjectProperty ;
+  rdfs:label "attributedTo"@en;
+  rdfs:comment "Identifies an entity to which an object is attributed"@en;
+  rdfs:range [
+    a owl:Class ;
+    owl:unionOf (as:Object as:Link)
+  ] ;
+  rdfs:domain [
+    a owl:Class ;
+    owl:unionOf (as:Object as:Link)
+  ] ; .
\ No newline at end of file