Add auxiliary short forms

Author: kwahlin

source/vocab/libris-search-experimental.ttl

@@ -28,4 +28,14 @@
 :itemHeldBy a owl:ObjectProperty ;
     rdfs:label "Bibliotek"@sv, "Library"@en ;
     :category :shorthand, :pending ;
-    owl:propertyChainAxiom ( :hasItem :heldBy ) .
+    owl:propertyChainAxiom ( :hasItem :heldBy ) .
+
+:instanceOfType a owl:ObjectProperty ;
+    rdfs:subPropertyOf rdf:type ;
+    :category :shorthand, :pending ;
+    owl:propertyChainAxiom ( :instanceOf rdf:type ) .
+
+:hasInstanceType a owl:ObjectProperty ;
+    rdfs:subPropertyOf rdf:type ;
+    :category :shorthand, :pending ;
+    owl:propertyChainAxiom ( :hasInstance rdf:type ) .