diff --git a/CHANGELOG.md b/CHANGELOG.md
index 21e87d6b..c6bba4e8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,12 +13,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - A favicon (#188).
 - A cache to remember the entire result table (useful when scrolling through pages of a lengthy result table) (#193).
+- configs/oslo-kg: two class-related queries.
 
 ### Changed
 
 - Using new verification library v0.2.0 (#184).
 - Refactoring, avoiding the usage of an internal, undocumented react-admin component (#185).
 - Removed the loading indicator / refresh button in the appbar (#195).
+- OSLO KG config: use smaller datasets for queries.
 
 ### Fixed
 
diff --git a/main/configs/oslo-kg/config.json b/main/configs/oslo-kg/config.json
index 0cf3f0b3..161f91b0 100644
--- a/main/configs/oslo-kg/config.json
+++ b/main/configs/oslo-kg/config.json
@@ -61,10 +61,10 @@
     {
       "id": "104",
       "queryLocation": "all-aps-that-use-a-specific-property.rq",
-      "name": "All application profiles that use a specific-property",
+      "name": "All application profiles that use a specific property",
       "comunicaContext": {
         "sources": [
-          "https://raw.githubusercontent.com/KNowledgeOnWebScale/data-vlaanderen-bundled-rdf/refs/heads/main/bundle.ttl"
+          "https://raw.githubusercontent.com/KNowledgeOnWebScale/data-vlaanderen-bundled-rdf/refs/heads/main/predicates-ap.ttl"
         ]
       },
       "indirectVariables": {
@@ -77,7 +77,33 @@
       "name": "All properties used by a specific application profile",
       "comunicaContext": {
         "sources": [
-          "https://raw.githubusercontent.com/KNowledgeOnWebScale/data-vlaanderen-bundled-rdf/refs/heads/main/bundle.ttl"
+          "https://raw.githubusercontent.com/KNowledgeOnWebScale/data-vlaanderen-bundled-rdf/refs/heads/main/predicates-ap.ttl"
+        ]
+      },
+      "indirectVariables": {
+        "queryLocations": ["variableQueries/ap.rq"]
+      }
+    },
+    {
+      "id": "106",
+      "queryLocation": "all-aps-that-use-a-specific-class.rq",
+      "name": "All application profiles that use a specific class",
+      "comunicaContext": {
+        "sources": [
+          "https://raw.githubusercontent.com/KNowledgeOnWebScale/data-vlaanderen-bundled-rdf/refs/heads/main/classes-ap.ttl"
+        ]
+      },
+      "indirectVariables": {
+        "queryLocations": ["variableQueries/class-in-ap.rq"]
+      }
+    },
+    {
+      "id": "107",
+      "queryLocation": "all-classes-used-by-a-specific-ap.rq",
+      "name": "All classes used by a specific application profile",
+      "comunicaContext": {
+        "sources": [
+          "https://raw.githubusercontent.com/KNowledgeOnWebScale/data-vlaanderen-bundled-rdf/refs/heads/main/classes-ap.ttl"
         ]
       },
       "indirectVariables": {
diff --git a/main/configs/oslo-kg/public/queries/all-aps-that-use-a-specific-class.rq b/main/configs/oslo-kg/public/queries/all-aps-that-use-a-specific-class.rq
new file mode 100644
index 00000000..208433fe
--- /dev/null
+++ b/main/configs/oslo-kg/public/queries/all-aps-that-use-a-specific-class.rq
@@ -0,0 +1,11 @@
+PREFIX shacl: <http://www.w3.org/ns/shacl#>
+PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
+
+SELECT DISTINCT ?ap WHERE {
+	?shape a shacl:NodeShape;
+	  shacl:targetClass $class.
+
+	 ?ap rdfs:member ?shape.
+
+	 <https://data.vlaanderen.be/standaarden/> rdfs:member ?ap.
+}
diff --git a/main/configs/oslo-kg/public/queries/all-classes-used-by-a-specific-ap.rq b/main/configs/oslo-kg/public/queries/all-classes-used-by-a-specific-ap.rq
new file mode 100644
index 00000000..c8f3dc29
--- /dev/null
+++ b/main/configs/oslo-kg/public/queries/all-classes-used-by-a-specific-ap.rq
@@ -0,0 +1,9 @@
+PREFIX shacl: <http://www.w3.org/ns/shacl#>
+PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
+
+SELECT DISTINCT ?class WHERE {
+	?shape a shacl:NodeShape;
+	  shacl:targetClass ?class.
+
+	 $ap rdfs:member ?shape.
+}
diff --git a/main/configs/oslo-kg/public/queries/variableQueries/class-in-ap.rq b/main/configs/oslo-kg/public/queries/variableQueries/class-in-ap.rq
new file mode 100644
index 00000000..0e0976d4
--- /dev/null
+++ b/main/configs/oslo-kg/public/queries/variableQueries/class-in-ap.rq
@@ -0,0 +1,12 @@
+PREFIX shacl: <http://www.w3.org/ns/shacl#>
+PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
+
+SELECT DISTINCT ?class
+WHERE {
+	?shape1 a shacl:NodeShape;
+	  shacl:targetClass ?class.
+
+	 ?ap1 rdfs:member ?shape1.
+
+	 <https://data.vlaanderen.be/standaarden/> rdfs:member ?ap1.
+}