[temp]

src/things/unreleased.yaml

@@ -267,6 +267,14 @@ slots:
       - dcat:relation
       - dcterms:relation
 
+  contains:
+    slot_uri: dlthings:contains
+    description: >-
+      A list of identifier of objects that were previously inlined vie
+      `relations`, but have then be extracted.
+    multivalued: true
+    range: string
+
   value:
     slot_uri: rdfs:value
     description: >-
@@ -375,6 +383,7 @@ classes:
     slots:
       - id
       - relations
+      - contains
     exact_mappings:
       - schema:Thing