From 16ba335c1e8bb687a53dd8e376d88a39f2f0aa44 Mon Sep 17 00:00:00 2001
From: irinaschubert <irina.schubert@dasch.swiss>
Date: Mon, 20 Sep 2021 11:39:02 +0200
Subject: [PATCH] chore(schemas): update schemas (DSP-1902) (#92)

* enforce schema reference to ontology

* update schema version and id

* update schema titles and descriptions

* correct typo

* restructure schemas

* test external xsd schema

* update schema reference

* update schema reference url in xml

* use uri-prop
---
 knora/dsplib/schemas/__init__.py              |    0
 .../data.xsd}                                 |  178 +-
 .../lists-only.json}                          |    8 +-
 .../lists.json}                               |   23 +-
 .../ontology.json}                            |  128 +-
 .../resources-only.json}                      |    8 +-
 knora/dsplib/utils/excel_to_json_lists.py     |    2 +-
 knora/dsplib/utils/excel_to_json_resources.py |    2 +-
 knora/dsplib/utils/onto_validate.py           |    4 +-
 knora/dsplib/utils/xml_upload.py              |    2 +-
 testdata/anything-onto.json                   | 1935 +++++++++--------
 testdata/test-data.xml                        |   50 +-
 testdata/test-onto.json                       |   75 +-
 13 files changed, 1251 insertions(+), 1164 deletions(-)
 create mode 100644 knora/dsplib/schemas/__init__.py
 rename knora/dsplib/{utils/knora-data-schema.xsd => schemas/data.xsd} (82%)
 rename knora/dsplib/{utils/knora-schema-lists-only.json => schemas/lists-only.json} (84%)
 rename knora/dsplib/{utils/knora-schema-lists.json => schemas/lists.json} (80%)
 rename knora/dsplib/{utils/knora-schema.json => schemas/ontology.json} (85%)
 rename knora/dsplib/{utils/knora-schema-resources-only.json => schemas/resources-only.json} (90%)

diff --git a/knora/dsplib/schemas/__init__.py b/knora/dsplib/schemas/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/knora/dsplib/utils/knora-data-schema.xsd b/knora/dsplib/schemas/data.xsd
similarity index 82%
rename from knora/dsplib/utils/knora-data-schema.xsd
rename to knora/dsplib/schemas/data.xsd
index 208c27bcc..adbdaea0d 100644
--- a/knora/dsplib/utils/knora-data-schema.xsd
+++ b/knora/dsplib/schemas/data.xsd
@@ -1,43 +1,46 @@
-<?xml version="1.0"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
-           xmlns:vc="http://www.w3.org/2007/XMLSchema-versioning" vc:minVersion="1.1">
+<?xml version="1.0" encoding="utf-8"?>
+<xs:schema xmlns="https://dasch.swiss/schema"
+           xmlns:xs="http://www.w3.org/2001/XMLSchema"
+           targetNamespace="https://dasch.swiss/schema"
+           elementFormDefault="qualified">
 
     <!-- data type for resrefs "ID|ID|..." -->
     <xs:simpleType name="resrefs_type">
         <xs:restriction base="xs:token">
-            <xs:pattern value="([^\|]+)(\|[^\|]+)*" />
+            <xs:pattern value="([^|]+)(\|[^|]+)*"/>
         </xs:restriction>
     </xs:simpleType>
-    
+
     <!-- group type for allow..." -->
     <xs:simpleType name="group_types">
         <xs:restriction base="xs:token">
-            <xs:pattern value="(UnknownUser|KnownUser|ProjectMember|Creator|ProjectAdmin|SystemAdmin|([\w-]+):([\w ]+))" />
+            <xs:pattern value="(UnknownUser|KnownUser|ProjectMember|Creator|ProjectAdmin|SystemAdmin|([\w-]+):([\w ]+))"/>
         </xs:restriction>
     </xs:simpleType>
 
     <!-- data type for knora date -->
     <xs:simpleType name="knoradate_type">
         <xs:restriction base="xs:token">
-            <xs:pattern value="(GREGORIAN:|JULIAN:)?(CE:|BCE:)?(\d{4})?(-\d{1,2})?(-\d{1,2})?(:CE|:BCE)?(:\d{4})?(-\d{1,2})?(-\d{1,2})?" />
+            <xs:pattern
+                    value="(GREGORIAN:|JULIAN:)?(CE:|BCE:)?(\d{4})?(-\d{1,2})?(-\d{1,2})?(:CE|:BCE)?(:\d{4})?(-\d{1,2})?(-\d{1,2})?"/>
         </xs:restriction>
     </xs:simpleType>
-       
- 
+
+
     <!-- data type for knora color -->
     <xs:simpleType name="knoracolor_type">
         <xs:restriction base="xs:token">
-            <xs:pattern value="#([0-9a-fA-F]{3}){1,2}" />
+            <xs:pattern value="#([0-9a-fA-F]{3}){1,2}"/>
         </xs:restriction>
     </xs:simpleType>
-    
+
     <!-- data type for knora interval -->
     <xs:simpleType name="knorainterval_type">
         <xs:restriction base="xs:token">
-            <xs:pattern value="([+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)):([+-]?([0-9]+([.][0-9]*)?|[.][0-9]+))" />
+            <xs:pattern value="([+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)):([+-]?([0-9]+([.][0-9]*)?|[.][0-9]+))"/>
         </xs:restriction>
     </xs:simpleType>
-    
+
     <!-- encoding types -->
     <xs:simpleType name="encoding_types">
         <xs:restriction base="xs:string">
@@ -54,7 +57,7 @@
         <xs:attribute name="encoding" type="encoding_types" use="required"/>
         <xs:attribute name="resrefs" type="resrefs_type"/>
         <xs:attribute name="comment" type="xs:string"/>
-        <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+        <xs:attribute name="permissions" type="xs:NCName" use="required"/>
     </xs:complexType>
 
     <!-- color value type -->
@@ -62,17 +65,17 @@
         <xs:simpleContent>
             <xs:extension base="knoracolor_type">
                 <xs:attribute name="comment" type="xs:string"/>
-                <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+                <xs:attribute name="permissions" type="xs:NCName" use="required"/>
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
-    
+
     <!-- date value type -->
     <xs:complexType name="date_type">
         <xs:simpleContent>
             <xs:extension base="knoradate_type">
                 <xs:attribute name="comment" type="xs:string"/>
-                <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+                <xs:attribute name="permissions" type="xs:NCName" use="required"/>
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
@@ -82,27 +85,27 @@
         <xs:simpleContent>
             <xs:extension base="xs:float">
                 <xs:attribute name="comment" type="xs:string"/>
-                <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+                <xs:attribute name="permissions" type="xs:NCName" use="required"/>
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
-    
+
     <!-- geometry value type -->
     <xs:complexType name="geometry_type">
         <xs:simpleContent>
             <xs:extension base="xs:string">
                 <xs:attribute name="comment" type="xs:string"/>
-                <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+                <xs:attribute name="permissions" type="xs:NCName" use="required"/>
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
-    
+
     <!-- geoname value type -->
     <xs:complexType name="geoname_type">
         <xs:simpleContent>
             <xs:extension base="xs:string">
                 <xs:attribute name="comment" type="xs:string"/>
-                <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+                <xs:attribute name="permissions" type="xs:NCName" use="required"/>
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
@@ -112,86 +115,86 @@
         <xs:simpleContent>
             <xs:extension base="xs:string">
                 <xs:attribute name="comment" type="xs:string"/>
-                <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+                <xs:attribute name="permissions" type="xs:NCName" use="required"/>
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
-    
+
     <!-- iconclass value type -->
     <xs:complexType name="iconclass_type">
         <xs:simpleContent>
             <xs:extension base="xs:string">
                 <xs:attribute name="comment" type="xs:string"/>
-                <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+                <xs:attribute name="permissions" type="xs:NCName" use="required"/>
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
-    
+
     <!-- integer value type -->
     <xs:complexType name="integer_type">
         <xs:simpleContent>
             <xs:extension base="xs:integer">
                 <xs:attribute name="comment" type="xs:string"/>
-                <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+                <xs:attribute name="permissions" type="xs:NCName" use="required"/>
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
-    
+
     <!-- interval value type -->
     <xs:complexType name="interval_type">
         <xs:simpleContent>
             <xs:extension base="knorainterval_type">
                 <xs:attribute name="comment" type="xs:string"/>
-                <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+                <xs:attribute name="permissions" type="xs:NCName" use="required"/>
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
-    
+
     <!-- period value type -->
     <xs:complexType name="period_type">
         <xs:simpleContent>
             <xs:extension base="xs:string">
                 <xs:attribute name="comment" type="xs:string"/>
-                <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+                <xs:attribute name="permissions" type="xs:NCName" use="required"/>
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
-    
+
     <xs:complexType name="resptr_type">
         <xs:simpleContent>
             <xs:extension base="xs:string">
                 <xs:attribute name="comment" type="xs:string"/>
-                <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+                <xs:attribute name="permissions" type="xs:NCName" use="required"/>
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
-    
+
     <!-- time value type -->
     <xs:complexType name="time_type">
         <xs:simpleContent>
             <xs:extension base="xs:dateTime">
                 <xs:attribute name="comment" type="xs:string"/>
-                <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+                <xs:attribute name="permissions" type="xs:NCName" use="required"/>
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
-        
+
     <!-- decimal value type -->
     <xs:complexType name="decimal_type">
         <xs:simpleContent>
             <xs:extension base="xs:decimal">
                 <xs:attribute name="comment" type="xs:string"/>
-                <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+                <xs:attribute name="permissions" type="xs:NCName" use="required"/>
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
-    
+
     <!-- uri value type -->
     <xs:complexType name="uri_type">
         <xs:simpleContent>
             <xs:extension base="xs:anyURI">
                 <xs:attribute name="comment" type="xs:string"/>
-                <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+                <xs:attribute name="permissions" type="xs:NCName" use="required"/>
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
@@ -201,11 +204,11 @@
         <xs:simpleContent>
             <xs:extension base="xs:boolean">
                 <xs:attribute name="comment" type="xs:string"/>
-                <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+                <xs:attribute name="permissions" type="xs:NCName" use="required"/>
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
-    
+
     <!-- textprop_type -->
     <xs:complexType name="textprop_type">
         <xs:sequence>
@@ -237,7 +240,7 @@
         </xs:sequence>
         <xs:attribute name="name" type="xs:string" use="required"/>
     </xs:complexType>
-    
+
     <!-- geometryprop_type -->
     <xs:complexType name="geometryprop_type">
         <xs:sequence>
@@ -245,7 +248,7 @@
         </xs:sequence>
         <xs:attribute name="name" type="xs:string" use="required"/>
     </xs:complexType>
-    
+
     <!-- geonameprop_type -->
     <xs:complexType name="geonameprop_type">
         <xs:sequence>
@@ -253,7 +256,7 @@
         </xs:sequence>
         <xs:attribute name="name" type="xs:string" use="required"/>
     </xs:complexType>
-    
+
     <!-- listprop_type -->
     <xs:complexType name="listprop_type">
         <xs:sequence>
@@ -262,7 +265,7 @@
         <xs:attribute name="name" type="xs:string" use="required"/>
         <xs:attribute name="list" type="xs:string" use="required"/>
     </xs:complexType>
-    
+
     <!-- iconclassprop_type -->
     <xs:complexType name="iconclassprop_type">
         <xs:sequence>
@@ -278,7 +281,7 @@
         </xs:sequence>
         <xs:attribute name="name" type="xs:string" use="required"/>
     </xs:complexType>
-    
+
     <!-- intervalprop_type -->
     <xs:complexType name="intervalprop_type">
         <xs:sequence>
@@ -286,7 +289,7 @@
         </xs:sequence>
         <xs:attribute name="name" type="xs:string" use="required"/>
     </xs:complexType>
-    
+
     <!-- periodprop_type -->
     <xs:complexType name="periodprop_type">
         <xs:sequence>
@@ -310,7 +313,7 @@
         </xs:sequence>
         <xs:attribute name="name" type="xs:string" use="required"/>
     </xs:complexType>
-    
+
     <!-- decimalprop_type -->
     <xs:complexType name="decimalprop_type">
         <xs:sequence>
@@ -318,7 +321,7 @@
         </xs:sequence>
         <xs:attribute name="name" type="xs:string" use="required"/>
     </xs:complexType>
-    
+
     <!-- uriprop_type -->
     <xs:complexType name="uriprop_type">
         <xs:sequence>
@@ -326,7 +329,7 @@
         </xs:sequence>
         <xs:attribute name="name" type="xs:string" use="required"/>
     </xs:complexType>
-    
+
     <!-- booleanprop_type -->
     <xs:complexType name="booleanprop_type">
         <xs:sequence>
@@ -334,7 +337,7 @@
         </xs:sequence>
         <xs:attribute name="name" type="xs:string" use="required"/>
     </xs:complexType>
-    
+
     <!-- bitsteeam tag -->
     <xs:complexType name="bitstream_type">
         <xs:simpleContent>
@@ -356,14 +359,14 @@
         </xs:simpleContent>
     </xs:complexType>
 
-     <!-- movie tag -->
+    <!-- movie tag -->
     <xs:complexType name="movie_type">
         <xs:simpleContent>
             <xs:extension base="xs:string"/>
         </xs:simpleContent>
     </xs:complexType>
 
-     <!-- movie tag -->
+    <!-- movie tag -->
     <xs:complexType name="document_type">
         <xs:simpleContent>
             <xs:extension base="xs:string"/>
@@ -373,47 +376,47 @@
     <!-- resource tag -->
     <xs:complexType name="resource_type">
         <xs:sequence>
-        <xs:choice minOccurs="0" maxOccurs="1">
-            <!--
-            <xs:element name="image" type="image_type" />
-            <xs:element name="sound" type="sound_type" />
-            <xs:element name="movie" type="sound_type" />
-            <xs:element name="document" type="sound_type" />
-            -->
-            <xs:element name="bitstream" type="sound_type" />
-        </xs:choice>
-         <xs:choice maxOccurs="unbounded">
-            <xs:element name="text-prop" type="textprop_type" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="color-prop" type="colorprop_type" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="date-prop" type="dateprop_type" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="geometry-prop" type="geometryprop_type" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="geoname-prop" type="geonameprop_type" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="list-prop" type="listprop_type" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="iconclass-prop" type="iconclassprop_type" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="integer-prop" type="integerprop_type" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="interval-prop" type="intervalprop_type" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="period-prop" type="periodprop_type" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="resptr-prop" type="resptrprop_type" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="time-prop" type="timeprop_type" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="decimal-prop" type="decimalprop_type" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="uri-prop" type="uriprop_type" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="boolean-prop" type="booleanprop_type" minOccurs="0" maxOccurs="unbounded"/>
-        </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="1">
+                <!--
+                <xs:element name="image" type="image_type" />
+                <xs:element name="sound" type="sound_type" />
+                <xs:element name="movie" type="sound_type" />
+                <xs:element name="document" type="sound_type" />
+                -->
+                <xs:element name="bitstream" type="sound_type"/>
+            </xs:choice>
+            <xs:choice maxOccurs="unbounded">
+                <xs:element name="text-prop" type="textprop_type" minOccurs="0" maxOccurs="unbounded"/>
+                <xs:element name="color-prop" type="colorprop_type" minOccurs="0" maxOccurs="unbounded"/>
+                <xs:element name="date-prop" type="dateprop_type" minOccurs="0" maxOccurs="unbounded"/>
+                <xs:element name="geometry-prop" type="geometryprop_type" minOccurs="0" maxOccurs="unbounded"/>
+                <xs:element name="geoname-prop" type="geonameprop_type" minOccurs="0" maxOccurs="unbounded"/>
+                <xs:element name="list-prop" type="listprop_type" minOccurs="0" maxOccurs="unbounded"/>
+                <xs:element name="iconclass-prop" type="iconclassprop_type" minOccurs="0" maxOccurs="unbounded"/>
+                <xs:element name="integer-prop" type="integerprop_type" minOccurs="0" maxOccurs="unbounded"/>
+                <xs:element name="interval-prop" type="intervalprop_type" minOccurs="0" maxOccurs="unbounded"/>
+                <xs:element name="period-prop" type="periodprop_type" minOccurs="0" maxOccurs="unbounded"/>
+                <xs:element name="resptr-prop" type="resptrprop_type" minOccurs="0" maxOccurs="unbounded"/>
+                <xs:element name="time-prop" type="timeprop_type" minOccurs="0" maxOccurs="unbounded"/>
+                <xs:element name="decimal-prop" type="decimalprop_type" minOccurs="0" maxOccurs="unbounded"/>
+                <xs:element name="uri-prop" type="uriprop_type" minOccurs="0" maxOccurs="unbounded"/>
+                <xs:element name="boolean-prop" type="booleanprop_type" minOccurs="0" maxOccurs="unbounded"/>
+            </xs:choice>
 
         </xs:sequence>
         <xs:attribute name="label" type="xs:string" use="required"/>
         <xs:attribute name="restype" type="xs:string" use="required"/>
         <xs:attribute name="id" type="xs:ID" use="required"/>
-        <xs:attribute name="permissions" type="xs:NCName" use="required"></xs:attribute>
+        <xs:attribute name="permissions" type="xs:NCName" use="required"/>
     </xs:complexType>
 
     <!-- data type for knora shortcode -->
     <xs:simpleType name="knorashortcode_type">
         <xs:restriction base="xs:token">
-            <xs:pattern value="[0-9a-fA-F]{4}" />
+            <xs:pattern value="[0-9a-fA-F]{4}"/>
         </xs:restriction>
     </xs:simpleType>
-  
+
     <!-- data type for valid permissions_type" -->
     <xs:simpleType name="valid_permissions_type">
         <xs:restriction base="xs:string">
@@ -424,7 +427,7 @@
             <xs:enumeration value="CR"/>
         </xs:restriction>
     </xs:simpleType>
-    
+
     <!-- allow_type -->
     <xs:complexType name="allow_type">
         <xs:simpleContent>
@@ -433,7 +436,7 @@
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
-    
+
     <!-- permissions tag -->
     <xs:complexType name="permissions_type" mixed="true">
         <xs:sequence>
@@ -441,12 +444,12 @@
         </xs:sequence>
         <xs:attribute name="id" type="xs:ID" use="required"/>
     </xs:complexType>
-    
+
     <!-- complete document -->
     <xs:element name="knora">
         <xs:complexType>
             <xs:sequence>
-                <xs:element name="permissions" type="permissions_type" minOccurs="0" maxOccurs="unbounded" />
+                <xs:element name="permissions" type="permissions_type" minOccurs="0" maxOccurs="unbounded"/>
                 <xs:element name="resource" type="resource_type" minOccurs="1" maxOccurs="unbounded"/>
             </xs:sequence>
             <xs:attribute name="default-ontology" type="xs:string"/>
@@ -457,8 +460,9 @@
             <xs:field xpath="@id"/>
         </xs:key>
         <xs:keyref name="permissionsIdref" refer="permissionsId">
-            <xs:selector xpath="./resource | ./resource/*/*"/>
+            <xs:selector xpath="resource"/>
             <xs:field xpath="@permissions"/>
         </xs:keyref>
     </xs:element>
 </xs:schema>
+
diff --git a/knora/dsplib/utils/knora-schema-lists-only.json b/knora/dsplib/schemas/lists-only.json
similarity index 84%
rename from knora/dsplib/utils/knora-schema-lists-only.json
rename to knora/dsplib/schemas/lists-only.json
index 393277a17..13de9047f 100644
--- a/knora/dsplib/utils/knora-schema-lists-only.json
+++ b/knora/dsplib/schemas/lists-only.json
@@ -1,8 +1,8 @@
 {
-  "$schema": "http://json-schema.org/draft-07/schema#",
-  "$id": "http://knora.org/pyknora/ontology/knora-schema-list-only.json",
-  "title": "Knora JSON schema for lists only",
-  "description": "JSON schema for lists used in Knora ontologies",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://dasch.swiss/schema/knora-schema-list-only.json",
+  "title": "JSON schema for DSP lists",
+  "description": "JSON schema for the lists section used in DSP ontologies",
   "definitions": {
     "label": {
       "type": "object",
diff --git a/knora/dsplib/utils/knora-schema-lists.json b/knora/dsplib/schemas/lists.json
similarity index 80%
rename from knora/dsplib/utils/knora-schema-lists.json
rename to knora/dsplib/schemas/lists.json
index 83446212f..5fcb020a3 100644
--- a/knora/dsplib/utils/knora-schema-lists.json
+++ b/knora/dsplib/schemas/lists.json
@@ -1,9 +1,8 @@
 {
-  "$schema": "http://json-schema.org/draft-07/schema#",
-  "$id": "http://knora.org/pyknora/ontology/knora-schema.json",
-  "title": "Knora JSON schema",
-  "description": "JSON Schema for Knora ontologies",
-
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://dasch.swiss/schema/knora-schema.json",
+  "title": "JSON schema for DSP lists",
+  "description": "JSON schema for lists used in DSP ontologies",
   "definitions": {
     "label": {
       "type": "object",
@@ -74,17 +73,25 @@
           }
         }
       },
-      "required": ["shortcode", "lists"],
+      "required": [
+        "shortcode",
+        "lists"
+      ],
       "additionalProperties": false
     },
     "prefixes": {
       "type": "object",
       "patternProperties": {
-        "^[\\w-]+$": { "format" : "uri" }
+        "^[\\w-]+$": {
+          "format": "uri"
+        }
       },
       "additionalProperties": false
     }
   },
-  "required": ["prefixes", "project"],
+  "required": [
+    "prefixes",
+    "project"
+  ],
   "additionalProperties": false
 }
diff --git a/knora/dsplib/utils/knora-schema.json b/knora/dsplib/schemas/ontology.json
similarity index 85%
rename from knora/dsplib/utils/knora-schema.json
rename to knora/dsplib/schemas/ontology.json
index 36373ad5b..53bc71205 100644
--- a/knora/dsplib/utils/knora-schema.json
+++ b/knora/dsplib/schemas/ontology.json
@@ -1,11 +1,9 @@
 {
-  "$schema": "http://json-schema.org/draft-07/schema#",
-  "$id": "http://knora.org/pyknora/ontology/knora-schema.json",
-  "title": "knora-py JSON schema",
-  "description": "JSON Schema for Knora ontologies",
-
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://dasch.swiss/schema/knora-schema.json",
+  "title": "JSON schema for DSP ontologies",
+  "description": "JSON schema for DSP ontologies",
   "definitions": {
-
     "langstring": {
       "anyOf": [
         {
@@ -22,32 +20,29 @@
         }
       ]
     },
-
     "label": {
       "$ref": "#/definitions/langstring"
     },
-
     "description": {
       "$ref": "#/definitions/langstring"
     },
-
     "comment": {
       "$ref": "#/definitions/langstring"
     },
-
     "groupdef": {
       "type": "string",
       "pattern": "^(([\\w-]*)?:([\\w ]+))|(SystemAdmin)$",
       "additionalProperties": false
     },
-
     "projectdef": {
       "type": "string",
       "pattern": "^([\\w-]*)?:(member|admin)$"
     },
-
     "resourcedef": {
-      "type": ["string", "array"],
+      "type": [
+        "string",
+        "array"
+      ],
       "oneOf": [
         {
           "enum": [
@@ -74,7 +69,6 @@
         "$ref": "#/definitions/resourcedef"
       }
     },
-
     "excelref": {
       "type": "object",
       "properties": {
@@ -91,9 +85,11 @@
           "type": "integer"
         }
       },
-      "required": ["file", "worksheet"]
+      "required": [
+        "file",
+        "worksheet"
+      ]
     },
-
     "user": {
       "type": "object",
       "properties": {
@@ -128,9 +124,14 @@
           }
         }
       },
-      "required": ["username", "email", "givenName", "familyName", "password"]
+      "required": [
+        "username",
+        "email",
+        "givenName",
+        "familyName",
+        "password"
+      ]
     },
-
     "group": {
       "type": "object",
       "properties": {
@@ -147,9 +148,11 @@
           "type": "boolean"
         }
       },
-      "required": ["name", "description"]
+      "required": [
+        "name",
+        "description"
+      ]
     },
-
     "node": {
       "type": "object",
       "properties": {
@@ -177,10 +180,12 @@
           ]
         }
       },
-      "required": ["name", "labels"],
+      "required": [
+        "name",
+        "labels"
+      ],
       "additionalProperties": false
     },
-
     "ontology": {
       "type": "object",
       "properties": {
@@ -199,17 +204,21 @@
             "$ref": "#/definitions/property"
           }
         },
-       "resources": {
+        "resources": {
           "type": "array",
           "items": {
             "$ref": "#/definitions/resource"
           }
         }
       },
-      "required": ["name", "label", "properties", "resources"],
+      "required": [
+        "name",
+        "label",
+        "properties",
+        "resources"
+      ],
       "additionalProperties": false
     },
-
     "property": {
       "type": "object",
       "properties": {
@@ -275,11 +284,9 @@
           "type": "string",
           "pattern": "^([\\w-]+)?:(\\w+)$"
         },
-
         "labels": {
           "$ref": "#/definitions/label"
         },
-
         "gui_element": {
           "type": "string",
           "enum": [
@@ -302,7 +309,6 @@
             "Fileupload"
           ]
         },
-
         "gui_attributes": {
           "type": "object",
           "properties": {
@@ -333,7 +339,10 @@
             },
             "wrap": {
               "type": "string",
-              "enum": ["soft", "hard"]
+              "enum": [
+                "soft",
+                "hard"
+              ]
             },
             "max": {
               "type": "number"
@@ -343,23 +352,30 @@
             }
           }
         },
-
         "comments": {
           "$ref": "#/definitions/comment"
         }
       },
-      "required": ["name", "object", "labels", "gui_element"],
+      "required": [
+        "name",
+        "object",
+        "labels",
+        "gui_element"
+      ],
       "additionalProperties": false
     },
-
-    "cardinality":{
+    "cardinality": {
       "type": "object",
       "properties": {
         "propname": {
           "type": "string",
           "oneOf": [
             {
-              "enum": ["Region", "isPartOf", "seqnum"]
+              "enum": [
+                "Region",
+                "isPartOf",
+                "seqnum"
+              ]
             },
             {
               "pattern": "^(([\\w-]*)?:([\\w ]+))$"
@@ -368,16 +384,23 @@
         },
         "cardinality": {
           "type": "string",
-          "enum": ["1", "0-1", "1-n", "0-n"]
+          "enum": [
+            "1",
+            "0-1",
+            "1-n",
+            "0-n"
+          ]
         },
         "gui_order": {
           "type": "integer"
         }
       },
-      "required": ["propname", "cardinality"],
+      "required": [
+        "propname",
+        "cardinality"
+      ],
       "additionalProperties": false
     },
-
     "resource": {
       "type": "object",
       "properties": {
@@ -400,21 +423,29 @@
           }
         }
       },
-      "required": ["name", "super", "labels", "cardinalities"],
+      "required": [
+        "name",
+        "super",
+        "labels",
+        "cardinalities"
+      ],
       "additionalProperties": false
     }
   },
-
   "type": "object",
   "properties": {
     "prefixes": {
       "type": "object",
       "patternProperties": {
-        "^[\\w-]+$": { "format" : "uri" }
+        "^[\\w-]+$": {
+          "format": "uri"
+        }
       },
       "additionalProperties": false
     },
-
+    "$schema": {
+      "type": "string"
+    },
     "project": {
       "type": "object",
       "properties": {
@@ -449,14 +480,12 @@
             "$ref": "#/definitions/user"
           }
         },
-
         "lists": {
           "type": "array",
           "items": {
             "$ref": "#/definitions/node"
           }
         },
-
         "ontologies": {
           "type": "array",
           "items": {
@@ -464,10 +493,19 @@
           }
         }
       },
-      "required": ["shortcode", "shortname", "longname", "ontologies", "keywords"],
+      "required": [
+        "shortcode",
+        "shortname",
+        "longname",
+        "ontologies",
+        "keywords"
+      ],
       "additionalProperties": false
     }
   },
-  "required": ["project"],
+  "required": [
+    "$schema",
+    "project"
+  ],
   "additionalProperties": false
 }
diff --git a/knora/dsplib/utils/knora-schema-resources-only.json b/knora/dsplib/schemas/resources-only.json
similarity index 90%
rename from knora/dsplib/utils/knora-schema-resources-only.json
rename to knora/dsplib/schemas/resources-only.json
index 41c92ab57..029b19e8f 100644
--- a/knora/dsplib/utils/knora-schema-resources-only.json
+++ b/knora/dsplib/schemas/resources-only.json
@@ -1,8 +1,8 @@
 {
-  "$schema": "http://json-schema.org/draft-07/schema#",
-  "$id": "http://knora.org/pyknora/ontology/knora-schema-resources-only.json",
-  "title": "Knora JSON schema for resources only",
-  "description": "JSON schema for resources used in Knora ontologies",
+  "$schema": "https://json-schema.org/draft/2020-12/schema#",
+  "$id": "https://dasch.swiss/schema/knora-schema-resources-only.json",
+  "title": "JSON schema for resources used in DSP ontologies",
+  "description": "JSON schema for the resources section used in DSP ontologies",
   "definitions": {
     "langstring": {
       "anyOf": [
diff --git a/knora/dsplib/utils/excel_to_json_lists.py b/knora/dsplib/utils/excel_to_json_lists.py
index 400b51057..96819ea09 100644
--- a/knora/dsplib/utils/excel_to_json_lists.py
+++ b/knora/dsplib/utils/excel_to_json_lists.py
@@ -258,7 +258,7 @@ def validate_list_with_schema(json_list: str) -> bool:
 
     """
     current_dir = os.path.dirname(os.path.realpath(__file__))
-    with open(os.path.join(current_dir, 'knora-schema-lists-only.json')) as schema:
+    with open(os.path.join(current_dir, '../schemas/lists-only.json')) as schema:
         list_schema = json.load(schema)
 
     try:
diff --git a/knora/dsplib/utils/excel_to_json_resources.py b/knora/dsplib/utils/excel_to_json_resources.py
index 4cb0bca96..bd0451a4e 100644
--- a/knora/dsplib/utils/excel_to_json_resources.py
+++ b/knora/dsplib/utils/excel_to_json_resources.py
@@ -17,7 +17,7 @@ def validate_resources_with_schema(json_file: str) -> bool:
 
         """
     current_dir = os.path.dirname(os.path.realpath(__file__))
-    with open(os.path.join(current_dir, 'knora-schema-resources-only.json')) as schema:
+    with open(os.path.join(current_dir, '../schemas/resources-only.json')) as schema:
         resources_schema = json.load(schema)
 
     try:
diff --git a/knora/dsplib/utils/onto_validate.py b/knora/dsplib/utils/onto_validate.py
index 9ce0fed93..f7aa6dac1 100644
--- a/knora/dsplib/utils/onto_validate.py
+++ b/knora/dsplib/utils/onto_validate.py
@@ -1,6 +1,6 @@
 import json
 import os
-from typing import Union, Dict
+from typing import Dict, Union
 
 import jsonschema
 from jsonschema import validate
@@ -39,7 +39,7 @@ def validate_ontology(input_file_or_json: Union[str, Dict, os.PathLike]) -> bool
     # validate the data model against the schema
     current_dir = os.path.dirname(os.path.realpath(__file__))
 
-    with open(os.path.join(current_dir, 'knora-schema.json')) as s:
+    with open(os.path.join(current_dir, '../schemas/ontology.json')) as s:
         schema = json.load(s)
 
     try:
diff --git a/knora/dsplib/utils/xml_upload.py b/knora/dsplib/utils/xml_upload.py
index de4b689f1..2dcda3889 100644
--- a/knora/dsplib/utils/xml_upload.py
+++ b/knora/dsplib/utils/xml_upload.py
@@ -534,7 +534,7 @@ def xml_upload(input_file: str, server: str, user: str, password: str, imgdir: s
 
     # Validate the input XML file
     current_dir = os.path.dirname(os.path.realpath(__file__))
-    schema_file = etree.parse(os.path.join(current_dir, 'knora-data-schema.xsd'))
+    schema_file = etree.parse(os.path.join(current_dir, '../schemas/data.xsd'))
 
     if validate_xml_against_schema(input_file, schema_file):
         print("The input data file is syntactically correct and passed validation!")
diff --git a/testdata/anything-onto.json b/testdata/anything-onto.json
index 08315ba11..c8e4ca94c 100644
--- a/testdata/anything-onto.json
+++ b/testdata/anything-onto.json
@@ -1,989 +1,990 @@
 {
-   "prefixes": {
-      "anything": "http://0.0.0.0:3333/ontology/0001/anything/v2",
-      "minimal": "http://0.0.0.0:3333/ontology/0001/minimal/v2",
-      "something": "http://0.0.0.0:3333/ontology/0001/something/v2"
-   },
-   "project": {
-      "shortcode": "0001",
-      "shortname": "anything",
-      "longname": "Anything Project",
-      "descriptions": "Anything Project",
-      "keywords": [
-         "arbitrary test data",
-         "things"
-      ],
-      "lists": [
-         {
-            "name": "otherTreeList",
+  "prefixes": {
+    "anything": "http://0.0.0.0:3333/ontology/0001/anything/v2",
+    "minimal": "http://0.0.0.0:3333/ontology/0001/minimal/v2",
+    "something": "http://0.0.0.0:3333/ontology/0001/something/v2"
+  },
+  "$schema": "https://raw.githubusercontent.com/dasch-swiss/dsp-tools/main/knora/dsplib/utils/knora-schema.json",
+  "project": {
+    "shortcode": "0001",
+    "shortname": "anything",
+    "longname": "Anything Project",
+    "descriptions": "Anything Project",
+    "keywords": [
+      "arbitrary test data",
+      "things"
+    ],
+    "lists": [
+      {
+        "name": "otherTreeList",
+        "labels": {
+          "en": "Tree list root"
+        },
+        "nodes": [
+          {
+            "name": "Other Tree list node 01",
             "labels": {
-               "en": "Tree list root"
+              "en": "Other Tree list node 01"
+            }
+          },
+          {
+            "name": "Other Tree list node 02",
+            "labels": {
+              "en": "Other Tree list node 02"
+            }
+          },
+          {
+            "name": "Other Tree list node 03",
+            "labels": {
+              "en": "Other Tree list node 03"
             },
             "nodes": [
-               {
-                  "name": "Other Tree list node 01",
-                  "labels": {
-                     "en": "Other Tree list node 01"
-                  }
-               },
-               {
-                  "name": "Other Tree list node 02",
-                  "labels": {
-                     "en": "Other Tree list node 02"
-                  }
-               },
-               {
-                  "name": "Other Tree list node 03",
-                  "labels": {
-                     "en": "Other Tree list node 03"
-                  },
-                  "nodes": [
-                     {
-                        "name": "Other Tree list node 10",
-                        "labels": {
-                           "en": "Other Tree list node 10"
-                        }
-                     },
-                     {
-                        "name": "Other Tree list node 11",
-                        "labels": {
-                           "en": "Other Tree list node 11"
-                        }
-                     }
-                  ]
-               }
+              {
+                "name": "Other Tree list node 10",
+                "labels": {
+                  "en": "Other Tree list node 10"
+                }
+              },
+              {
+                "name": "Other Tree list node 11",
+                "labels": {
+                  "en": "Other Tree list node 11"
+                }
+              }
             ]
-         },
-         {
-            "name": "notUsedList",
+          }
+        ]
+      },
+      {
+        "name": "notUsedList",
+        "labels": {
+          "de": "unbenutzte Liste",
+          "en": "a list that is not used"
+        },
+        "comments": {
+          "en": "a list that is not in used in ontology or data"
+        },
+        "nodes": [
+          {
+            "name": "node 1",
             "labels": {
-               "de": "unbenutzte Liste",
-               "en": "a list that is not used"
-            },
-            "comments": {
-               "en": "a list that is not in used in ontology or data"
+              "en": "node 1"
             },
             "nodes": [
-               {
-                  "name": "node 1",
-                  "labels": {
-                     "en": "node 1"
+              {
+                "name": "child of node 1",
+                "labels": {
+                  "en": "child of node 1"
+                }
+              },
+              {
+                "name": "List012",
+                "labels": {
+                  "en": "List012"
+                }
+              },
+              {
+                "name": "List013",
+                "labels": {
+                  "en": "List013"
+                }
+              },
+              {
+                "name": "List014",
+                "labels": {
+                  "en": "List014"
+                },
+                "nodes": [
+                  {
+                    "name": "first child of node 014",
+                    "labels": {
+                      "en": "first child of node 014"
+                    }
                   },
-                  "nodes": [
-                     {
-                        "name": "child of node 1",
-                        "labels": {
-                           "en": "child of node 1"
-                        }
-                     },
-                     {
-                        "name": "List012",
-                        "labels": {
-                           "en": "List012"
-                        }
-                     },
-                     {
-                        "name": "List013",
-                        "labels": {
-                           "en": "List013"
-                        }
-                     },
-                     {
-                        "name": "List014",
-                        "labels": {
-                           "en": "List014"
-                        },
-                        "nodes": [
-                           {
-                              "name": "first child of node 014",
-                              "labels": {
-                                 "en": "first child of node 014"
-                              }
-                           },
-                           {
-                              "name": "second child of node 014",
-                              "labels": {
-                                 "en": "second child of node 014"
-                              }
-                           }
-                        ]
-                     },
-                     {
-                        "name": "List015",
-                        "labels": {
-                           "en": "List015"
-                        }
-                     }
-                  ]
-               },
-               {
-                  "name": "node 2",
-                  "labels": {
-                     "en": "node 2"
+                  {
+                    "name": "second child of node 014",
+                    "labels": {
+                      "en": "second child of node 014"
+                    }
                   }
-               },
-               {
-                  "name": "node 3",
-                  "labels": {
-                     "en": "node 3"
-                  },
-                  "nodes": [
-                     {
-                        "name": "child of node 3",
-                        "labels": {
-                           "en": "child of node 3"
-                        }
-                     }
-                  ]
-               }
+                ]
+              },
+              {
+                "name": "List015",
+                "labels": {
+                  "en": "List015"
+                }
+              }
             ]
-         },
-         {
-            "name": "treelistroot",
+          },
+          {
+            "name": "node 2",
             "labels": {
-               "de": "Listenwurzel",
-               "en": "Tree list root"
+              "en": "node 2"
+            }
+          },
+          {
+            "name": "node 3",
+            "labels": {
+              "en": "node 3"
             },
-            "comments": {
-               "en": "Anything Tree List"
+            "nodes": [
+              {
+                "name": "child of node 3",
+                "labels": {
+                  "en": "child of node 3"
+                }
+              }
+            ]
+          }
+        ]
+      },
+      {
+        "name": "treelistroot",
+        "labels": {
+          "de": "Listenwurzel",
+          "en": "Tree list root"
+        },
+        "comments": {
+          "en": "Anything Tree List"
+        },
+        "nodes": [
+          {
+            "name": "Tree list node 01",
+            "labels": {
+              "en": "Tree list node 01"
+            }
+          },
+          {
+            "name": "Tree list node 02",
+            "labels": {
+              "de": "Baumlistenknoten 02",
+              "en": "Tree list node 02"
+            }
+          },
+          {
+            "name": "Tree list node 03",
+            "labels": {
+              "en": "Tree list node 03"
             },
             "nodes": [
-               {
-                  "name": "Tree list node 01",
-                  "labels": {
-                     "en": "Tree list node 01"
-                  }
-               },
-               {
-                  "name": "Tree list node 02",
-                  "labels": {
-                     "de": "Baumlistenknoten 02",
-                     "en": "Tree list node 02"
-                  }
-               },
-               {
-                  "name": "Tree list node 03",
-                  "labels": {
-                     "en": "Tree list node 03"
-                  },
-                  "nodes": [
-                     {
-                        "name": "Tree list node 10",
-                        "labels": {
-                           "en": "Tree list node 10"
-                        }
-                     },
-                     {
-                        "name": "Tree list node 11",
-                        "labels": {
-                           "en": "Tree list node 11"
-                        }
-                     }
-                  ]
-               }
+              {
+                "name": "Tree list node 10",
+                "labels": {
+                  "en": "Tree list node 10"
+                }
+              },
+              {
+                "name": "Tree list node 11",
+                "labels": {
+                  "en": "Tree list node 11"
+                }
+              }
             ]
-         }
-      ],
-      "ontologies": [
-         {
-            "name": "anything",
-            "label": "The anything ontology",
-            "properties": [
-               {
-                  "name": "hasBlueThing",
-                  "super": [
-                     ":hasOtherThing"
-                  ],
-                  "object": ":BlueThing",
-                  "labels": "A blue thing",
-                  "gui_element": "Searchbox"
-               },
-               {
-                  "name": "hasBoolean",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "BooleanValue",
-                  "labels": "Boolean value",
-                  "gui_element": "Checkbox"
-               },
-               {
-                  "name": "hasColor",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "ColorValue",
-                  "labels": "Color",
-                  "gui_element": "Colorpicker"
-               },
-               {
-                  "name": "hasDate",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "DateValue",
-                  "labels": "Date",
-                  "gui_element": "Date"
-               },
-               {
-                  "name": "hasDecimal",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "DecimalValue",
-                  "labels": "Decimal number",
-                  "gui_element": "SimpleText",
-                  "gui_attributes": {
-                     "maxlength": "255",
-                     "size": 80
-                  }
-               },
-               {
-                  "name": "hasDocumentTitle",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "TextValue",
-                  "labels": "document title",
-                  "gui_element": "SimpleText",
-                  "gui_attributes": {
-                     "maxlength": "255",
-                     "size": 80
-                  }
-               },
-               {
-                  "name": "hasGeometry",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "GeomValue",
-                  "labels": "Geometry",
-                  "gui_element": "Geometry"
-               },
-               {
-                  "name": "hasGeoname",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "GeonameValue",
-                  "labels": "Geoname",
-                  "gui_element": "Geonames"
-               },
-               {
-                  "name": "hasInteger",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "IntValue",
-                  "labels": "Integer",
-                  "gui_element": "Spinbox",
-                  "gui_attributes": {
-                     "max": -1.0,
-                     "min": 0.0
-                  }
-               },
-               {
-                  "name": "hasInterval",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "IntervalValue",
-                  "labels": "Time interval",
-                  "gui_element": "Interval"
-               },
-               {
-                  "name": "hasListItem",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "ListValue",
-                  "labels": "List element",
-                  "gui_element": "List",
-                  "gui_attributes": {
-                     "hlist": "treelistroot"
-                  }
-               },
-               {
-                  "name": "hasOtherListItem",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "ListValue",
-                  "labels": "Other list element",
-                  "gui_element": "List",
-                  "gui_attributes": {
-                     "hlist": "otherTreeList"
-                  }
-               },
-               {
-                  "name": "hasOtherThing",
-                  "super": [
-                     "hasLinkTo"
-                  ],
-                  "object": ":Thing",
-                  "labels": "Another thing",
-                  "gui_element": "Searchbox"
-               },
-               {
-                  "name": "hasPictureTitle",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "TextValue",
-                  "labels": "Title",
-                  "gui_element": "SimpleText",
-                  "gui_attributes": {
-                     "maxlength": "255",
-                     "size": 80
-                  }
-               },
-               {
-                  "name": "hasRichtext",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "TextValue",
-                  "labels": "Text",
-                  "gui_element": "Richtext"
-               },
-               {
-                  "name": "hasText",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "TextValue",
-                  "labels": "Text",
-                  "gui_element": "SimpleText",
-                  "gui_attributes": {
-                     "maxlength": "255",
-                     "size": 80
-                  }
-               },
-               {
-                  "name": "hasThingDocument",
-                  "super": [
-                     "hasRepresentation"
-                  ],
-                  "object": ":ThingDocument",
-                  "labels": "document about a thing",
-                  "gui_element": "Searchbox"
-               },
-               {
-                  "name": "hasThingPicture",
-                  "super": [
-                     "hasRepresentation"
-                  ],
-                  "object": ":ThingPicture",
-                  "labels": "Picture of a thing",
-                  "gui_element": "Searchbox"
-               },
-               {
-                  "name": "hasTimeStamp",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "TimeValue",
-                  "labels": "Timestamp",
-                  "gui_element": "TimeStamp"
-               },
-               {
-                  "name": "hasUri",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "UriValue",
-                  "labels": "URI",
-                  "gui_element": "SimpleText",
-                  "gui_attributes": {
-                     "maxlength": "255",
-                     "size": 80
-                  }
-               },
-               {
-                  "name": "isPartOfOtherThing",
-                  "super": [
-                     "isPartOf"
-                  ],
-                  "object": ":Thing",
-                  "labels": "is part of",
-                  "gui_element": "Searchbox"
-               },
-               {
-                  "name": "thingHasRegion",
-                  "super": [
-                     "hasLinkTo"
-                  ],
-                  "object": "Region",
-                  "labels": "has region",
-                  "gui_element": "Searchbox"
-               }
+          }
+        ]
+      }
+    ],
+    "ontologies": [
+      {
+        "name": "anything",
+        "label": "The anything ontology",
+        "properties": [
+          {
+            "name": "hasBlueThing",
+            "super": [
+              ":hasOtherThing"
+            ],
+            "object": ":BlueThing",
+            "labels": "A blue thing",
+            "gui_element": "Searchbox"
+          },
+          {
+            "name": "hasBoolean",
+            "super": [
+              "hasValue"
+            ],
+            "object": "BooleanValue",
+            "labels": "Boolean value",
+            "gui_element": "Checkbox"
+          },
+          {
+            "name": "hasColor",
+            "super": [
+              "hasValue"
             ],
-            "resources": [
-               {
-                  "name": "BlueThing",
-                  "labels": "Blue thing",
-                  "comments": "Diese Resource-Klasse beschreibt ein blaues Ding",
-                  "super": ":Thing",
-                  "cardinalities": [
-                     {
-                        "propname": ":hasListItem",
-                        "cardinality": "0-n",
-                        "gui_order": 0
-                     },
-                     {
-                        "propname": ":hasOtherListItem",
-                        "cardinality": "0-n",
-                        "gui_order": 0
-                     },
-                     {
-                        "propname": ":hasRichtext",
-                        "cardinality": "0-n",
-                        "gui_order": 2
-                     },
-                     {
-                        "propname": ":hasText",
-                        "cardinality": "0-n",
-                        "gui_order": 2
-                     },
-                     {
-                        "propname": ":hasDate",
-                        "cardinality": "0-n",
-                        "gui_order": 3
-                     },
-                     {
-                        "propname": ":hasInteger",
-                        "cardinality": "0-n",
-                        "gui_order": 4
-                     },
-                     {
-                        "propname": ":hasDecimal",
-                        "cardinality": "0-n",
-                        "gui_order": 5
-                     },
-                     {
-                        "propname": ":hasBoolean",
-                        "cardinality": "0-1",
-                        "gui_order": 6
-                     },
-                     {
-                        "propname": ":hasUri",
-                        "cardinality": "0-n",
-                        "gui_order": 7
-                     },
-                     {
-                        "propname": ":hasInterval",
-                        "cardinality": "0-n",
-                        "gui_order": 9
-                     },
-                     {
-                        "propname": ":hasColor",
-                        "cardinality": "0-n",
-                        "gui_order": 10
-                     },
-                     {
-                        "propname": ":hasGeometry",
-                        "cardinality": "0-n",
-                        "gui_order": 11
-                     },
-                     {
-                        "propname": ":hasGeoname",
-                        "cardinality": "0-n",
-                        "gui_order": 12
-                     },
-                     {
-                        "propname": ":hasThingDocument",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": ":hasThingDocumentValue",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": ":hasThingPicture",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": ":hasThingPictureValue",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": ":hasTimeStamp",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": ":isPartOfOtherThing",
-                        "cardinality": "0-n",
-                        "gui_order": 15
-                     },
-                     {
-                        "propname": ":isPartOfOtherThingValue",
-                        "cardinality": "0-n",
-                        "gui_order": 15
-                     },
-                     {
-                        "propname": ":hasBlueThingValue",
-                        "cardinality": "0-n",
-                        "gui_order": 16
-                     },
-                     {
-                        "propname": ":hasBlueThing",
-                        "cardinality": "0-n",
-                        "gui_order": 63
-                     }
-                  ]
-               },
-               {
-                  "name": "Thing",
-                  "labels": "Thing",
-                  "comments": "'The whole world is full of things, which means there's a real need for someone to go searching for them. And that's exactly what a thing-searcher does.' --Pippi Longstocking",
-                  "super": "Resource",
-                  "cardinalities": [
-                     {
-                        "propname": ":hasListItem",
-                        "cardinality": "0-n",
-                        "gui_order": 0
-                     },
-                     {
-                        "propname": ":hasOtherListItem",
-                        "cardinality": "0-n",
-                        "gui_order": 0
-                     },
-                     {
-                        "propname": ":hasOtherThing",
-                        "cardinality": "0-n",
-                        "gui_order": 1
-                     },
-                     {
-                        "propname": ":hasOtherThingValue",
-                        "cardinality": "0-n",
-                        "gui_order": 1
-                     },
-                     {
-                        "propname": ":hasRichtext",
-                        "cardinality": "0-n",
-                        "gui_order": 2
-                     },
-                     {
-                        "propname": ":hasText",
-                        "cardinality": "0-n",
-                        "gui_order": 2
-                     },
-                     {
-                        "propname": ":hasDate",
-                        "cardinality": "0-n",
-                        "gui_order": 3
-                     },
-                     {
-                        "propname": ":hasInteger",
-                        "cardinality": "0-n",
-                        "gui_order": 4
-                     },
-                     {
-                        "propname": ":hasDecimal",
-                        "cardinality": "0-n",
-                        "gui_order": 5
-                     },
-                     {
-                        "propname": ":hasBoolean",
-                        "cardinality": "0-1",
-                        "gui_order": 6
-                     },
-                     {
-                        "propname": ":hasUri",
-                        "cardinality": "0-n",
-                        "gui_order": 7
-                     },
-                     {
-                        "propname": ":hasInterval",
-                        "cardinality": "0-n",
-                        "gui_order": 9
-                     },
-                     {
-                        "propname": ":hasColor",
-                        "cardinality": "0-n",
-                        "gui_order": 10
-                     },
-                     {
-                        "propname": ":hasGeometry",
-                        "cardinality": "0-n",
-                        "gui_order": 11
-                     },
-                     {
-                        "propname": ":hasGeoname",
-                        "cardinality": "0-n",
-                        "gui_order": 12
-                     },
-                     {
-                        "propname": ":hasThingDocument",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": ":hasThingDocumentValue",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": ":hasThingPicture",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": ":hasThingPictureValue",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": ":hasTimeStamp",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": ":isPartOfOtherThing",
-                        "cardinality": "0-n",
-                        "gui_order": 15
-                     },
-                     {
-                        "propname": ":isPartOfOtherThingValue",
-                        "cardinality": "0-n",
-                        "gui_order": 15
-                     }
-                  ]
-               },
-               {
-                  "name": "ThingDocument",
-                  "labels": "Document",
-                  "comments": "A document about a thing",
-                  "super": "DocumentRepresentation",
-                  "cardinalities": [
-                     {
-                        "propname": ":hasDocumentTitle",
-                        "cardinality": "0-n"
-                     }
-                  ]
-               },
-               {
-                  "name": "ThingPicture",
-                  "labels": "Picture of a thing",
-                  "comments": "Diese Resource-Klasse beschreibt ein Bild eines Dinges",
-                  "super": "StillImageRepresentation",
-                  "cardinalities": [
-                     {
-                        "propname": ":hasPictureTitle",
-                        "cardinality": "0-n"
-                     }
-                  ]
-               },
-               {
-                  "name": "ThingWithRegion",
-                  "labels": "Thing with region",
-                  "comments": "A thing with a region",
-                  "super": "Resource",
-                  "cardinalities": [
-                     {
-                        "propname": ":thingHasRegion",
-                        "cardinality": "0-n"
-                     },
-                     {
-                        "propname": ":thingHasRegionValue",
-                        "cardinality": "0-n"
-                     }
-                  ]
-               },
-               {
-                  "name": "ThingWithRepresentation",
-                  "labels": "Thing with representation",
-                  "comments": "A thing with a representation",
-                  "super": "Resource",
-                  "cardinalities": []
-               },
-               {
-                  "name": "ThingWithSeqnum",
-                  "labels": "Thing with sequence number",
-                  "comments": "Diese Resource-Klasse beschreibt ein Ding mit einer Sequenznummer",
-                  "super": ":Thing",
-                  "cardinalities": [
-                     {
-                        "propname": ":hasListItem",
-                        "cardinality": "0-n",
-                        "gui_order": 0
-                     },
-                     {
-                        "propname": ":hasOtherListItem",
-                        "cardinality": "0-n",
-                        "gui_order": 0
-                     },
-                     {
-                        "propname": ":hasOtherThing",
-                        "cardinality": "0-n",
-                        "gui_order": 1
-                     },
-                     {
-                        "propname": ":hasOtherThingValue",
-                        "cardinality": "0-n",
-                        "gui_order": 1
-                     },
-                     {
-                        "propname": ":hasRichtext",
-                        "cardinality": "0-n",
-                        "gui_order": 2
-                     },
-                     {
-                        "propname": ":hasText",
-                        "cardinality": "0-n",
-                        "gui_order": 2
-                     },
-                     {
-                        "propname": ":hasDate",
-                        "cardinality": "0-n",
-                        "gui_order": 3
-                     },
-                     {
-                        "propname": ":hasInteger",
-                        "cardinality": "0-n",
-                        "gui_order": 4
-                     },
-                     {
-                        "propname": ":hasDecimal",
-                        "cardinality": "0-n",
-                        "gui_order": 5
-                     },
-                     {
-                        "propname": ":hasBoolean",
-                        "cardinality": "0-1",
-                        "gui_order": 6
-                     },
-                     {
-                        "propname": ":hasUri",
-                        "cardinality": "0-n",
-                        "gui_order": 7
-                     },
-                     {
-                        "propname": ":hasInterval",
-                        "cardinality": "0-n",
-                        "gui_order": 9
-                     },
-                     {
-                        "propname": ":hasColor",
-                        "cardinality": "0-n",
-                        "gui_order": 10
-                     },
-                     {
-                        "propname": ":hasGeometry",
-                        "cardinality": "0-n",
-                        "gui_order": 11
-                     },
-                     {
-                        "propname": ":hasGeoname",
-                        "cardinality": "0-n",
-                        "gui_order": 12
-                     },
-                     {
-                        "propname": ":hasThingDocument",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": ":hasThingDocumentValue",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": ":hasThingPicture",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": ":hasThingPictureValue",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": ":hasTimeStamp",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": ":isPartOfOtherThing",
-                        "cardinality": "0-n",
-                        "gui_order": 15
-                     },
-                     {
-                        "propname": ":isPartOfOtherThingValue",
-                        "cardinality": "0-n",
-                        "gui_order": 15
-                     }
-                  ]
-               },
-               {
-                  "name": "TrivialThing",
-                  "labels": "Trivial thing",
-                  "comments": "Diese Resource-Klasse beschreibt ein unbedeutendes Ding",
-                  "super": "Resource",
-                  "cardinalities": []
-               }
+            "object": "ColorValue",
+            "labels": "Color",
+            "gui_element": "Colorpicker"
+          },
+          {
+            "name": "hasDate",
+            "super": [
+              "hasValue"
+            ],
+            "object": "DateValue",
+            "labels": "Date",
+            "gui_element": "Date"
+          },
+          {
+            "name": "hasDecimal",
+            "super": [
+              "hasValue"
+            ],
+            "object": "DecimalValue",
+            "labels": "Decimal number",
+            "gui_element": "SimpleText",
+            "gui_attributes": {
+              "maxlength": "255",
+              "size": 80
+            }
+          },
+          {
+            "name": "hasDocumentTitle",
+            "super": [
+              "hasValue"
+            ],
+            "object": "TextValue",
+            "labels": "document title",
+            "gui_element": "SimpleText",
+            "gui_attributes": {
+              "maxlength": "255",
+              "size": 80
+            }
+          },
+          {
+            "name": "hasGeometry",
+            "super": [
+              "hasValue"
+            ],
+            "object": "GeomValue",
+            "labels": "Geometry",
+            "gui_element": "Geometry"
+          },
+          {
+            "name": "hasGeoname",
+            "super": [
+              "hasValue"
+            ],
+            "object": "GeonameValue",
+            "labels": "Geoname",
+            "gui_element": "Geonames"
+          },
+          {
+            "name": "hasInteger",
+            "super": [
+              "hasValue"
+            ],
+            "object": "IntValue",
+            "labels": "Integer",
+            "gui_element": "Spinbox",
+            "gui_attributes": {
+              "max": -1.0,
+              "min": 0.0
+            }
+          },
+          {
+            "name": "hasInterval",
+            "super": [
+              "hasValue"
+            ],
+            "object": "IntervalValue",
+            "labels": "Time interval",
+            "gui_element": "Interval"
+          },
+          {
+            "name": "hasListItem",
+            "super": [
+              "hasValue"
+            ],
+            "object": "ListValue",
+            "labels": "List element",
+            "gui_element": "List",
+            "gui_attributes": {
+              "hlist": "treelistroot"
+            }
+          },
+          {
+            "name": "hasOtherListItem",
+            "super": [
+              "hasValue"
+            ],
+            "object": "ListValue",
+            "labels": "Other list element",
+            "gui_element": "List",
+            "gui_attributes": {
+              "hlist": "otherTreeList"
+            }
+          },
+          {
+            "name": "hasOtherThing",
+            "super": [
+              "hasLinkTo"
+            ],
+            "object": ":Thing",
+            "labels": "Another thing",
+            "gui_element": "Searchbox"
+          },
+          {
+            "name": "hasPictureTitle",
+            "super": [
+              "hasValue"
+            ],
+            "object": "TextValue",
+            "labels": "Title",
+            "gui_element": "SimpleText",
+            "gui_attributes": {
+              "maxlength": "255",
+              "size": 80
+            }
+          },
+          {
+            "name": "hasRichtext",
+            "super": [
+              "hasValue"
+            ],
+            "object": "TextValue",
+            "labels": "Text",
+            "gui_element": "Richtext"
+          },
+          {
+            "name": "hasText",
+            "super": [
+              "hasValue"
+            ],
+            "object": "TextValue",
+            "labels": "Text",
+            "gui_element": "SimpleText",
+            "gui_attributes": {
+              "maxlength": "255",
+              "size": 80
+            }
+          },
+          {
+            "name": "hasThingDocument",
+            "super": [
+              "hasRepresentation"
+            ],
+            "object": ":ThingDocument",
+            "labels": "document about a thing",
+            "gui_element": "Searchbox"
+          },
+          {
+            "name": "hasThingPicture",
+            "super": [
+              "hasRepresentation"
+            ],
+            "object": ":ThingPicture",
+            "labels": "Picture of a thing",
+            "gui_element": "Searchbox"
+          },
+          {
+            "name": "hasTimeStamp",
+            "super": [
+              "hasValue"
+            ],
+            "object": "TimeValue",
+            "labels": "Timestamp",
+            "gui_element": "TimeStamp"
+          },
+          {
+            "name": "hasUri",
+            "super": [
+              "hasValue"
+            ],
+            "object": "UriValue",
+            "labels": "URI",
+            "gui_element": "SimpleText",
+            "gui_attributes": {
+              "maxlength": "255",
+              "size": 80
+            }
+          },
+          {
+            "name": "isPartOfOtherThing",
+            "super": [
+              "isPartOf"
+            ],
+            "object": ":Thing",
+            "labels": "is part of",
+            "gui_element": "Searchbox"
+          },
+          {
+            "name": "thingHasRegion",
+            "super": [
+              "hasLinkTo"
+            ],
+            "object": "Region",
+            "labels": "has region",
+            "gui_element": "Searchbox"
+          }
+        ],
+        "resources": [
+          {
+            "name": "BlueThing",
+            "labels": "Blue thing",
+            "comments": "Diese Resource-Klasse beschreibt ein blaues Ding",
+            "super": ":Thing",
+            "cardinalities": [
+              {
+                "propname": ":hasListItem",
+                "cardinality": "0-n",
+                "gui_order": 0
+              },
+              {
+                "propname": ":hasOtherListItem",
+                "cardinality": "0-n",
+                "gui_order": 0
+              },
+              {
+                "propname": ":hasRichtext",
+                "cardinality": "0-n",
+                "gui_order": 2
+              },
+              {
+                "propname": ":hasText",
+                "cardinality": "0-n",
+                "gui_order": 2
+              },
+              {
+                "propname": ":hasDate",
+                "cardinality": "0-n",
+                "gui_order": 3
+              },
+              {
+                "propname": ":hasInteger",
+                "cardinality": "0-n",
+                "gui_order": 4
+              },
+              {
+                "propname": ":hasDecimal",
+                "cardinality": "0-n",
+                "gui_order": 5
+              },
+              {
+                "propname": ":hasBoolean",
+                "cardinality": "0-1",
+                "gui_order": 6
+              },
+              {
+                "propname": ":hasUri",
+                "cardinality": "0-n",
+                "gui_order": 7
+              },
+              {
+                "propname": ":hasInterval",
+                "cardinality": "0-n",
+                "gui_order": 9
+              },
+              {
+                "propname": ":hasColor",
+                "cardinality": "0-n",
+                "gui_order": 10
+              },
+              {
+                "propname": ":hasGeometry",
+                "cardinality": "0-n",
+                "gui_order": 11
+              },
+              {
+                "propname": ":hasGeoname",
+                "cardinality": "0-n",
+                "gui_order": 12
+              },
+              {
+                "propname": ":hasThingDocument",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": ":hasThingDocumentValue",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": ":hasThingPicture",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": ":hasThingPictureValue",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": ":hasTimeStamp",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": ":isPartOfOtherThing",
+                "cardinality": "0-n",
+                "gui_order": 15
+              },
+              {
+                "propname": ":isPartOfOtherThingValue",
+                "cardinality": "0-n",
+                "gui_order": 15
+              },
+              {
+                "propname": ":hasBlueThingValue",
+                "cardinality": "0-n",
+                "gui_order": 16
+              },
+              {
+                "propname": ":hasBlueThing",
+                "cardinality": "0-n",
+                "gui_order": 63
+              }
             ]
-         },
-         {
-            "name": "minimal",
-            "label": "A minimal ontology",
-            "properties": [
-               {
-                  "name": "hasName",
-                  "super": [
-                     "hasValue"
-                  ],
-                  "object": "TextValue",
-                  "labels": "has name",
-                  "gui_element": "SimpleText",
-                  "gui_attributes": {
-                     "maxlength": "255",
-                     "size": 80
-                  }
-               }
+          },
+          {
+            "name": "Thing",
+            "labels": "Thing",
+            "comments": "'The whole world is full of things, which means there's a real need for someone to go searching for them. And that's exactly what a thing-searcher does.' --Pippi Longstocking",
+            "super": "Resource",
+            "cardinalities": [
+              {
+                "propname": ":hasListItem",
+                "cardinality": "0-n",
+                "gui_order": 0
+              },
+              {
+                "propname": ":hasOtherListItem",
+                "cardinality": "0-n",
+                "gui_order": 0
+              },
+              {
+                "propname": ":hasOtherThing",
+                "cardinality": "0-n",
+                "gui_order": 1
+              },
+              {
+                "propname": ":hasOtherThingValue",
+                "cardinality": "0-n",
+                "gui_order": 1
+              },
+              {
+                "propname": ":hasRichtext",
+                "cardinality": "0-n",
+                "gui_order": 2
+              },
+              {
+                "propname": ":hasText",
+                "cardinality": "0-n",
+                "gui_order": 2
+              },
+              {
+                "propname": ":hasDate",
+                "cardinality": "0-n",
+                "gui_order": 3
+              },
+              {
+                "propname": ":hasInteger",
+                "cardinality": "0-n",
+                "gui_order": 4
+              },
+              {
+                "propname": ":hasDecimal",
+                "cardinality": "0-n",
+                "gui_order": 5
+              },
+              {
+                "propname": ":hasBoolean",
+                "cardinality": "0-1",
+                "gui_order": 6
+              },
+              {
+                "propname": ":hasUri",
+                "cardinality": "0-n",
+                "gui_order": 7
+              },
+              {
+                "propname": ":hasInterval",
+                "cardinality": "0-n",
+                "gui_order": 9
+              },
+              {
+                "propname": ":hasColor",
+                "cardinality": "0-n",
+                "gui_order": 10
+              },
+              {
+                "propname": ":hasGeometry",
+                "cardinality": "0-n",
+                "gui_order": 11
+              },
+              {
+                "propname": ":hasGeoname",
+                "cardinality": "0-n",
+                "gui_order": 12
+              },
+              {
+                "propname": ":hasThingDocument",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": ":hasThingDocumentValue",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": ":hasThingPicture",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": ":hasThingPictureValue",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": ":hasTimeStamp",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": ":isPartOfOtherThing",
+                "cardinality": "0-n",
+                "gui_order": 15
+              },
+              {
+                "propname": ":isPartOfOtherThingValue",
+                "cardinality": "0-n",
+                "gui_order": 15
+              }
+            ]
+          },
+          {
+            "name": "ThingDocument",
+            "labels": "Document",
+            "comments": "A document about a thing",
+            "super": "DocumentRepresentation",
+            "cardinalities": [
+              {
+                "propname": ":hasDocumentTitle",
+                "cardinality": "0-n"
+              }
+            ]
+          },
+          {
+            "name": "ThingPicture",
+            "labels": "Picture of a thing",
+            "comments": "Diese Resource-Klasse beschreibt ein Bild eines Dinges",
+            "super": "StillImageRepresentation",
+            "cardinalities": [
+              {
+                "propname": ":hasPictureTitle",
+                "cardinality": "0-n"
+              }
+            ]
+          },
+          {
+            "name": "ThingWithRegion",
+            "labels": "Thing with region",
+            "comments": "A thing with a region",
+            "super": "Resource",
+            "cardinalities": [
+              {
+                "propname": ":thingHasRegion",
+                "cardinality": "0-n"
+              },
+              {
+                "propname": ":thingHasRegionValue",
+                "cardinality": "0-n"
+              }
+            ]
+          },
+          {
+            "name": "ThingWithRepresentation",
+            "labels": "Thing with representation",
+            "comments": "A thing with a representation",
+            "super": "Resource",
+            "cardinalities": []
+          },
+          {
+            "name": "ThingWithSeqnum",
+            "labels": "Thing with sequence number",
+            "comments": "Diese Resource-Klasse beschreibt ein Ding mit einer Sequenznummer",
+            "super": ":Thing",
+            "cardinalities": [
+              {
+                "propname": ":hasListItem",
+                "cardinality": "0-n",
+                "gui_order": 0
+              },
+              {
+                "propname": ":hasOtherListItem",
+                "cardinality": "0-n",
+                "gui_order": 0
+              },
+              {
+                "propname": ":hasOtherThing",
+                "cardinality": "0-n",
+                "gui_order": 1
+              },
+              {
+                "propname": ":hasOtherThingValue",
+                "cardinality": "0-n",
+                "gui_order": 1
+              },
+              {
+                "propname": ":hasRichtext",
+                "cardinality": "0-n",
+                "gui_order": 2
+              },
+              {
+                "propname": ":hasText",
+                "cardinality": "0-n",
+                "gui_order": 2
+              },
+              {
+                "propname": ":hasDate",
+                "cardinality": "0-n",
+                "gui_order": 3
+              },
+              {
+                "propname": ":hasInteger",
+                "cardinality": "0-n",
+                "gui_order": 4
+              },
+              {
+                "propname": ":hasDecimal",
+                "cardinality": "0-n",
+                "gui_order": 5
+              },
+              {
+                "propname": ":hasBoolean",
+                "cardinality": "0-1",
+                "gui_order": 6
+              },
+              {
+                "propname": ":hasUri",
+                "cardinality": "0-n",
+                "gui_order": 7
+              },
+              {
+                "propname": ":hasInterval",
+                "cardinality": "0-n",
+                "gui_order": 9
+              },
+              {
+                "propname": ":hasColor",
+                "cardinality": "0-n",
+                "gui_order": 10
+              },
+              {
+                "propname": ":hasGeometry",
+                "cardinality": "0-n",
+                "gui_order": 11
+              },
+              {
+                "propname": ":hasGeoname",
+                "cardinality": "0-n",
+                "gui_order": 12
+              },
+              {
+                "propname": ":hasThingDocument",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": ":hasThingDocumentValue",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": ":hasThingPicture",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": ":hasThingPictureValue",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": ":hasTimeStamp",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": ":isPartOfOtherThing",
+                "cardinality": "0-n",
+                "gui_order": 15
+              },
+              {
+                "propname": ":isPartOfOtherThingValue",
+                "cardinality": "0-n",
+                "gui_order": 15
+              }
+            ]
+          },
+          {
+            "name": "TrivialThing",
+            "labels": "Trivial thing",
+            "comments": "Diese Resource-Klasse beschreibt ein unbedeutendes Ding",
+            "super": "Resource",
+            "cardinalities": []
+          }
+        ]
+      },
+      {
+        "name": "minimal",
+        "label": "A minimal ontology",
+        "properties": [
+          {
+            "name": "hasName",
+            "super": [
+              "hasValue"
             ],
-            "resources": []
-         },
-         {
-            "name": "something",
-            "label": "The something ontology",
-            "properties": [
-               {
-                  "name": "hasOtherSomething",
-                  "super": [
-                     "anything:hasOtherThing"
-                  ],
-                  "object": ":Something",
-                  "labels": "has other something",
-                  "gui_element": "Searchbox"
-               }
+            "object": "TextValue",
+            "labels": "has name",
+            "gui_element": "SimpleText",
+            "gui_attributes": {
+              "maxlength": "255",
+              "size": 80
+            }
+          }
+        ],
+        "resources": []
+      },
+      {
+        "name": "something",
+        "label": "The something ontology",
+        "properties": [
+          {
+            "name": "hasOtherSomething",
+            "super": [
+              "anything:hasOtherThing"
             ],
-            "resources": [
-               {
-                  "name": "Something",
-                  "labels": "Something",
-                  "comments": "A something is a thing.",
-                  "super": "anything:Thing",
-                  "cardinalities": [
-                     {
-                        "propname": "anything:hasListItem",
-                        "cardinality": "0-n",
-                        "gui_order": 0
-                     },
-                     {
-                        "propname": "anything:hasOtherListItem",
-                        "cardinality": "0-n",
-                        "gui_order": 0
-                     },
-                     {
-                        "propname": ":hasOtherSomething",
-                        "cardinality": "0-n",
-                        "gui_order": 0
-                     },
-                     {
-                        "propname": ":hasOtherSomethingValue",
-                        "cardinality": "0-n",
-                        "gui_order": 0
-                     },
-                     {
-                        "propname": "anything:hasRichtext",
-                        "cardinality": "0-n",
-                        "gui_order": 2
-                     },
-                     {
-                        "propname": "anything:hasText",
-                        "cardinality": "0-n",
-                        "gui_order": 2
-                     },
-                     {
-                        "propname": "anything:hasDate",
-                        "cardinality": "0-n",
-                        "gui_order": 3
-                     },
-                     {
-                        "propname": "anything:hasInteger",
-                        "cardinality": "0-n",
-                        "gui_order": 4
-                     },
-                     {
-                        "propname": "anything:hasDecimal",
-                        "cardinality": "0-n",
-                        "gui_order": 5
-                     },
-                     {
-                        "propname": "anything:hasBoolean",
-                        "cardinality": "0-1",
-                        "gui_order": 6
-                     },
-                     {
-                        "propname": "anything:hasUri",
-                        "cardinality": "0-n",
-                        "gui_order": 7
-                     },
-                     {
-                        "propname": "anything:hasInterval",
-                        "cardinality": "0-n",
-                        "gui_order": 9
-                     },
-                     {
-                        "propname": "anything:hasColor",
-                        "cardinality": "0-n",
-                        "gui_order": 10
-                     },
-                     {
-                        "propname": "anything:hasGeometry",
-                        "cardinality": "0-n",
-                        "gui_order": 11
-                     },
-                     {
-                        "propname": "anything:hasGeoname",
-                        "cardinality": "0-n",
-                        "gui_order": 12
-                     },
-                     {
-                        "propname": "anything:hasThingDocument",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": "anything:hasThingDocumentValue",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": "anything:hasThingPicture",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": "anything:hasThingPictureValue",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": "anything:hasTimeStamp",
-                        "cardinality": "0-n",
-                        "gui_order": 13
-                     },
-                     {
-                        "propname": "anything:isPartOfOtherThing",
-                        "cardinality": "0-n",
-                        "gui_order": 15
-                     },
-                     {
-                        "propname": "anything:isPartOfOtherThingValue",
-                        "cardinality": "0-n",
-                        "gui_order": 15
-                     }
-                  ]
-               }
+            "object": ":Something",
+            "labels": "has other something",
+            "gui_element": "Searchbox"
+          }
+        ],
+        "resources": [
+          {
+            "name": "Something",
+            "labels": "Something",
+            "comments": "A something is a thing.",
+            "super": "anything:Thing",
+            "cardinalities": [
+              {
+                "propname": "anything:hasListItem",
+                "cardinality": "0-n",
+                "gui_order": 0
+              },
+              {
+                "propname": "anything:hasOtherListItem",
+                "cardinality": "0-n",
+                "gui_order": 0
+              },
+              {
+                "propname": ":hasOtherSomething",
+                "cardinality": "0-n",
+                "gui_order": 0
+              },
+              {
+                "propname": ":hasOtherSomethingValue",
+                "cardinality": "0-n",
+                "gui_order": 0
+              },
+              {
+                "propname": "anything:hasRichtext",
+                "cardinality": "0-n",
+                "gui_order": 2
+              },
+              {
+                "propname": "anything:hasText",
+                "cardinality": "0-n",
+                "gui_order": 2
+              },
+              {
+                "propname": "anything:hasDate",
+                "cardinality": "0-n",
+                "gui_order": 3
+              },
+              {
+                "propname": "anything:hasInteger",
+                "cardinality": "0-n",
+                "gui_order": 4
+              },
+              {
+                "propname": "anything:hasDecimal",
+                "cardinality": "0-n",
+                "gui_order": 5
+              },
+              {
+                "propname": "anything:hasBoolean",
+                "cardinality": "0-1",
+                "gui_order": 6
+              },
+              {
+                "propname": "anything:hasUri",
+                "cardinality": "0-n",
+                "gui_order": 7
+              },
+              {
+                "propname": "anything:hasInterval",
+                "cardinality": "0-n",
+                "gui_order": 9
+              },
+              {
+                "propname": "anything:hasColor",
+                "cardinality": "0-n",
+                "gui_order": 10
+              },
+              {
+                "propname": "anything:hasGeometry",
+                "cardinality": "0-n",
+                "gui_order": 11
+              },
+              {
+                "propname": "anything:hasGeoname",
+                "cardinality": "0-n",
+                "gui_order": 12
+              },
+              {
+                "propname": "anything:hasThingDocument",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": "anything:hasThingDocumentValue",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": "anything:hasThingPicture",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": "anything:hasThingPictureValue",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": "anything:hasTimeStamp",
+                "cardinality": "0-n",
+                "gui_order": 13
+              },
+              {
+                "propname": "anything:isPartOfOtherThing",
+                "cardinality": "0-n",
+                "gui_order": 15
+              },
+              {
+                "propname": "anything:isPartOfOtherThingValue",
+                "cardinality": "0-n",
+                "gui_order": 15
+              }
             ]
-         }
-      ]
-   }
+          }
+        ]
+      }
+    ]
+  }
 }
\ No newline at end of file
diff --git a/testdata/test-data.xml b/testdata/test-data.xml
index 89535779a..3f097fdcf 100644
--- a/testdata/test-data.xml
+++ b/testdata/test-data.xml
@@ -1,6 +1,11 @@
 <?xml version='1.0' encoding='utf-8'?>
-<knora xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-       shortcode="4123" default-ontology="testonto">
+
+<knora xmlns="https://dasch.swiss/schema"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:schemaLocation="https://dasch.swiss/schema https://raw.githubusercontent.com/dasch-swiss/dsp-tools/main/knora/dsplib/schemas/data.xsd"
+       shortcode="4123"
+       default-ontology="testonto">
+
     <!-- permissions: see https://docs.knora.org/03-apis/api-v2/reading-user-permissions/ -->
     <permissions id="res-default">
         <allow group="UnknownUser">RV</allow>
@@ -47,18 +52,23 @@
             <text permissions="prop-restricted" encoding="utf8">Nochmals einen einfachen Text</text>
         </text-prop>
         <text-prop name=":hasRichtext">
-            <text permissions="prop-default" encoding="xml">This is <em>bold and <strong>string</strong></em> text!</text>
+            <text permissions="prop-default" encoding="xml">This is
+                <em>bold and
+                    <strong>string</strong>
+                </em>
+                text!
+            </text>
         </text-prop>
-        <!--
-        <uri-prop name="hasUri">
-            <uri permission="prop-default">https://dasch.swiss</uri>
+
+        <uri-prop name=":hasUri">
+            <uri permissions="prop-default">https://dasch.swiss</uri>
         </uri-prop>
-        -->
+
         <boolean-prop name=":hasBoolean">
             <boolean permissions="prop-default">true</boolean>
         </boolean-prop>
         <date-prop name=":hasDate">
-            <date permissions="prop-default" >JULIAN:BCE:0700:BCE:0600</date>
+            <date permissions="prop-default">JULIAN:BCE:0700:BCE:0600</date>
         </date-prop>
         <integer-prop name=":hasInteger">
             <integer permissions="prop-default">4711</integer>
@@ -69,14 +79,14 @@
         <geometry-prop name=":hasGeometry">
             <geometry permissions="prop-default">
                 {
-                    "status":"active",
-                    "lineColor":"#ff3333",
-                    "lineWidth":2,
-                    "points":[
-                        {"x":0.08098591549295775,"y":0.16741071428571427},
-                        {"x":0.7394366197183099,"y":0.7299107142857143}],
-                    "type":"rectangle",
-                    "original_index":0
+                "status":"active",
+                "lineColor":"#ff3333",
+                "lineWidth":2,
+                "points":[
+                {"x":0.08098591549295775,"y":0.16741071428571427},
+                {"x":0.7394366197183099,"y":0.7299107142857143}],
+                "type":"rectangle",
+                "original_index":0
                 }
             </geometry>
         </geometry-prop>
@@ -87,10 +97,10 @@
             <interval permissions="prop-default">12.5:14.2</interval>
         </interval-prop>
         <color-prop name=":hasColor">
-            <color permissions="prop-default" >#00ff00</color>
+            <color permissions="prop-default">#00ff00</color>
         </color-prop>
         <list-prop list="testlist" name=":hasListItem">
-            <list permissions="prop-default" >b2</list>
+            <list permissions="prop-default">b2</list>
         </list-prop>
         <resptr-prop name=":hasTestThing2">
             <resptr permissions="prop-default">obj_0000</resptr>
@@ -186,7 +196,6 @@
         </text-prop>
     </resource>
 
-    <!--
     <resource label="Audiothing"
               restype=":AudioThing"
               id="obj_0010"
@@ -195,7 +204,6 @@
         <text-prop name=":hasText">
             <text permissions="prop-default" encoding="utf8">This is a Audiothing</text>
         </text-prop>
-     </resource>
-     -->
+    </resource>
 
 </knora>
diff --git a/testdata/test-onto.json b/testdata/test-onto.json
index 8caa5cce5..83635cecd 100644
--- a/testdata/test-onto.json
+++ b/testdata/test-onto.json
@@ -3,6 +3,7 @@
     "foaf": "http://xmlns.com/foaf/0.1/",
     "dcterms": "http://purl.org/dc/terms/"
   },
+  "$schema": "https://raw.githubusercontent.com/dasch-swiss/dsp-tools/main/knora/dsplib/utils/knora-schema.json",
   "project": {
     "shortcode": "4123",
     "shortname": "tp",
@@ -102,7 +103,9 @@
               "hasValue"
             ],
             "object": "TextValue",
-            "labels": {"en": "Text"},
+            "labels": {
+              "en": "Text"
+            },
             "gui_element": "SimpleText",
             "gui_attributes": {
               "maxlength": "255",
@@ -115,7 +118,9 @@
               "hasValue"
             ],
             "object": "TextValue",
-            "labels": {"en": "Text"},
+            "labels": {
+              "en": "Text"
+            },
             "gui_element": "Richtext"
           },
           {
@@ -124,7 +129,9 @@
               "hasValue"
             ],
             "object": "UriValue",
-            "labels": {"en": "URI"},
+            "labels": {
+              "en": "URI"
+            },
             "gui_element": "SimpleText",
             "gui_attributes": {
               "maxlength": "255",
@@ -137,7 +144,9 @@
               "hasValue"
             ],
             "object": "BooleanValue",
-            "labels": {"en": "Boolean value"},
+            "labels": {
+              "en": "Boolean value"
+            },
             "gui_element": "Checkbox"
           },
           {
@@ -146,7 +155,9 @@
               "hasValue"
             ],
             "object": "DateValue",
-            "labels": {"en": "Date"},
+            "labels": {
+              "en": "Date"
+            },
             "gui_element": "Date"
           },
           {
@@ -155,7 +166,9 @@
               "hasValue"
             ],
             "object": "IntValue",
-            "labels": {"en": "Integer"},
+            "labels": {
+              "en": "Integer"
+            },
             "gui_element": "Spinbox",
             "gui_attributes": {
               "max": -1.0,
@@ -168,7 +181,9 @@
               "hasValue"
             ],
             "object": "DecimalValue",
-            "labels": {"en": "Decimal number"},
+            "labels": {
+              "en": "Decimal number"
+            },
             "gui_element": "SimpleText",
             "gui_attributes": {
               "maxlength": "255",
@@ -181,7 +196,9 @@
               "hasValue"
             ],
             "object": "GeomValue",
-            "labels": { "en": "Geometry" },
+            "labels": {
+              "en": "Geometry"
+            },
             "gui_element": "Geometry"
           },
           {
@@ -190,7 +207,9 @@
               "hasValue"
             ],
             "object": "GeonameValue",
-            "labels": {"en": "Geoname"},
+            "labels": {
+              "en": "Geoname"
+            },
             "gui_element": "Geonames"
           },
           {
@@ -199,7 +218,9 @@
               "hasValue"
             ],
             "object": "IntervalValue",
-            "labels": {"en": "Time interval"},
+            "labels": {
+              "en": "Time interval"
+            },
             "gui_element": "Interval"
           },
           {
@@ -208,7 +229,9 @@
               "hasValue"
             ],
             "object": "ColorValue",
-            "labels": {"en": "Color"},
+            "labels": {
+              "en": "Color"
+            },
             "gui_element": "Colorpicker"
           },
           {
@@ -217,7 +240,9 @@
               "hasValue"
             ],
             "object": "ListValue",
-            "labels": {"en": "List element"},
+            "labels": {
+              "en": "List element"
+            },
             "gui_element": "List",
             "gui_attributes": {
               "hlist": "testlist"
@@ -229,7 +254,9 @@
               "hasLinkTo"
             ],
             "object": "Region",
-            "labels": {"en": "has region"},
+            "labels": {
+              "en": "has region"
+            },
             "gui_element": "Searchbox"
           },
           {
@@ -238,7 +265,9 @@
               "hasLinkTo"
             ],
             "object": ":TestThing2",
-            "labels": {"en": "Another thing"},
+            "labels": {
+              "en": "Another thing"
+            },
             "gui_element": "Searchbox"
           }
         ],
@@ -327,7 +356,7 @@
             ]
           },
           {
-            "name":  "TestThing2",
+            "name": "TestThing2",
             "super": "Resource",
             "labels": {
               "en": "Another Test Thing"
@@ -344,7 +373,7 @@
             ]
           },
           {
-            "name":  "CompoundThing",
+            "name": "CompoundThing",
             "super": "Resource",
             "labels": {
               "en": "A Compound Thing"
@@ -361,7 +390,7 @@
             ]
           },
           {
-            "name":  "ImageThing",
+            "name": "ImageThing",
             "super": "StillImageRepresentation",
             "labels": {
               "en": "An Image Thing"
@@ -378,7 +407,7 @@
             ]
           },
           {
-            "name":  "AudioThing",
+            "name": "AudioThing",
             "super": "AudioRepresentation",
             "labels": {
               "en": "An Audio Thing"
@@ -395,7 +424,7 @@
             ]
           },
           {
-            "name":  "MovieThing",
+            "name": "MovieThing",
             "super": "MovingImageRepresentation",
             "labels": {
               "en": "An Movie Thing"
@@ -412,7 +441,7 @@
             ]
           },
           {
-            "name":  "DocumentThing",
+            "name": "DocumentThing",
             "super": "DocumentRepresentation",
             "labels": {
               "en": "A Document Thing"
@@ -429,7 +458,7 @@
             ]
           },
           {
-            "name":  "ZipThing",
+            "name": "ZipThing",
             "super": "DocumentRepresentation",
             "labels": {
               "en": "A ZIP Thing"
@@ -446,7 +475,7 @@
             ]
           },
           {
-            "name":  "TextThing",
+            "name": "TextThing",
             "super": "TextRepresentation",
             "labels": {
               "en": "A Text Thing"
@@ -463,7 +492,7 @@
             ]
           },
           {
-            "name":  "PartOfThing",
+            "name": "PartOfThing",
             "super": "StillImageRepresentation",
             "labels": {
               "en": "A Thing having a partOf and seqnum property"