diff --git a/fields/context.json b/fields/context.json
new file mode 100644
index 0000000..752dc87
--- /dev/null
+++ b/fields/context.json
@@ -0,0 +1,17 @@
+{
+  "name": "JSON Schema for @context using schema.org as base",
+  "description": "schema.org is @base namespace",
+  "type": "object",
+  "additionalProperties": true,
+  "required": [
+    "@vocab"
+  ],
+  "properties": {
+    "@vocab": {
+      "type": "string",
+      "format": "regex",
+      "pattern": "https://schema.org/",
+      "description": "required: schema.org is base ns"
+    }
+  }
+}
\ No newline at end of file
diff --git a/schemas/karte_von_morgen-v1.0.0.json b/schemas/karte_von_morgen-v1.0.0.json
index aa16b46..a6a57a4 100644
--- a/schemas/karte_von_morgen-v1.0.0.json
+++ b/schemas/karte_von_morgen-v1.0.0.json
@@ -5,6 +5,16 @@
   "description": "Entries (Initiatives, Organisations, Companies) from Kartevonmorgen.org",
   "type": "object",
   "properties": {
+    "@context": {
+      "$ref": "../fields/context.json"
+    },
+   "@type": {
+      "name": "The resource type",
+      "type": "string",
+      "description": "required: Organization",
+      "format": "regex",
+      "pattern": "Organization"
+    },
     "linked_schemas": {
       "$ref": "../fields/linked_schemas.json"
     },
@@ -64,6 +74,8 @@
     "schema": {
       "name": "karte_von_morgen-v1.0.0",
       "purpose": "Entries (Initiatives, Organisations, Companies) from Kartevonmorgen.org"
-    }
+    },
+    "@type": "Organization",
+    "@context": "https://ns.murmurations.network/contexts/karte_von_morgen-v1.0.0.jsonld"
   }
 }