diff --git a/source/vocab/display.jsonld b/source/vocab/display.jsonld
index 25d15feb..4f8bd36f 100644
--- a/source/vocab/display.jsonld
+++ b/source/vocab/display.jsonld
@@ -854,6 +854,19 @@
             "marc:hasCopyAndVersionIdentificationNote"
           ]
         },
+        "ItemAction": {
+          "@id": "ItemAction-cards",
+          "@type": "fresnel:Lens",
+          "classLensDomain": "ItemAction",
+          "showProperties": [
+            "category",
+            "appliesTo",
+            "agent",
+            "startDate",
+            "endDate",
+            "date"
+          ]
+        },
         "marc:TextualHoldingsBasicBibliographicUnit": {
           "@id": "marc:TextualHoldingsBasicBibliographicUnit-cards",
           "@type": "fresnel:Lens",
@@ -2559,4 +2572,4 @@
 			}
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/source/vocab/updateResource.rq b/source/vocab/updateResource.rq
index a8fb1cf0..d21c08af 100644
--- a/source/vocab/updateResource.rq
+++ b/source/vocab/updateResource.rq
@@ -2,22 +2,27 @@ prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
 prefix owl: <http://www.w3.org/2002/07/owl#>
 prefix : <https://id.kb.se/vocab/>
 
-insert {
+insert { #:
+    # :Resource as baseclass of a term
     ?term rdfs:subClassOf :Resource
 
-} where {
-    ?term a owl:Class
+} where { #:
+    # term is a class...
+    ?term a owl:Class .
 
-    # Add Resource where subClassOf is missing (Is this part redundant? Enough with the minus clause?)
-    optional {?term rdfs:subClassOf ?subClassOf}
-    filter(!bound(?subClassOf))
+    # defined in : (kbv)...
+    filter strstarts(str(?term), str(:))
 
-    # Don't add subClassOf if term already is :Resource
+    # unless it *is* that class...
     filter(?term != :Resource)
 
-    # Don't add if ?subClassOf contains refs that starts with <https://id.kb.se/vocab/>
-    MINUS {
-        ?term rdfs:subClassOf ?baseClassUri
-        filter ((?baseClassUri != :) && strstarts(str(?baseClassUri), str(:)))
+    # and as long as it is *not* the case that:
+    filter not exists {
+      # another baseclass is defined...
+      ?term rdfs:subClassOf ?baseclass .
+      # which is identified by an IRI...
+      filter isURI(?baseclass)
+      # and is defined by : (kbv).
+      filter strstarts(str(?baseclass), str(:))
     }
 }