Wrap ddeCatalogRecord example in root dataset for SHACL validation

The SHACL shape targets the root Dataset and follows schema:subjectOf to
find dcterms:conformsTo. The example needs a parent dataset wrapper so the
path resolves correctly.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: smrgeoinfo

_sources/DDEproperties/ddeCatalogRecord/exampleDdeCatalogRecord.json

@@ -2,25 +2,31 @@
     "@context": {
         "schema": "http://schema.org/",
         "dde": "https://www.ddeworld.org/resource/",
-        "cdif": "https://cdif.org/profile/",
         "dcterms": "http://purl.org/dc/terms/",
         "dcat": "http://www.w3.org/ns/dcat#"
     },
-    "@id": "https://example.org/metadata/geo-dataset-001",
+    "@id": "https://example.org/dataset/geo-dataset-001",
     "@type": ["schema:Dataset"],
-    "schema:additionalType": ["dcat:CatalogRecord"],
-    "schema:about": {"@id": "https://example.org/dataset/geo-dataset-001"},
+    "schema:name": "Example DDE Geoscience Dataset",
+    "schema:identifier": "https://example.org/dataset/geo-dataset-001",
     "schema:dateModified": "2026-02-28",
-    "schema:creator": [
+    "schema:license": [
         {
-            "@id": "https://orcid.org/0000-0002-7933-2154",
-            "@type": "schema:Person",
-            "schema:name": "Richard, Stephen M."
+            "@type": "schema:CreativeWork",
+            "schema:name": "Creative Commons Attribution 4.0",
+            "schema:url": "https://creativecommons.org/licenses/by/4.0/"
         }
     ],
-    "schema:description": "Metadata record for a DDE geoscience dataset",
-    "dcterms:conformsTo": [
-        {"@id": "https://w3id.org/cdif/core/1.0/"},
-        {"@id": "https://w3id.org/cdif/bbr/metadata/DDEproperties/ddeMandatory"}
-    ]
+    "schema:url": "https://example.org/dataset/geo-dataset-001",
+    "schema:subjectOf": {
+        "@id": "urn:uuid:example-dde-catalog-record",
+        "@type": ["schema:Dataset"],
+        "schema:additionalType": ["dcat:CatalogRecord"],
+        "schema:about": {"@id": "https://example.org/dataset/geo-dataset-001"},
+        "dcterms:conformsTo": [
+            {"@id": "https://w3id.org/cdif/core/1.0/"},
+            {"@id": "https://w3id.org/cdif/bbr/metadata/DDEproperties/ddeMandatory"}
+        ],
+        "schema:sdDatePublished": "2026-02-28"
+    }
 }