diff --git a/dcat/index.html b/dcat/index.html
index 853b43e74..de9d06ba5 100644
--- a/dcat/index.html
+++ b/dcat/index.html
@@ -741,7 +741,15 @@ <h4>Property: themes</h4>
                 <tbody>
                 <tr><td class="prop">Definition:</td><td>A knowledge organization system (KOS) used to classify catalog's datasets and services.</td></tr>
                 <tr><td class="prop">Domain:</td><td><a href="#Class:Catalog"><code>dcat:Catalog</code></a></td></tr>
-                <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2004/02/skos/core#ConceptScheme"><code>skos:ConceptScheme</code></a></td></tr>
+                <tr><td class="prop">Range:</td><td><a href="http://www.w3.org/2000/01/rdf-schema#Resource"><code>rdfs:Resource</code></a></td></tr>
+                <tr>
+                  <td class="prop">
+                    Usage note:
+                  </td>
+                  <td>
+                    It is recommended that the taxonomy is organized in a <a href="http://www.w3.org/2004/02/skos/core#ConceptScheme"><code>skos:ConceptScheme</code></a>, <a href="http://www.w3.org/2004/02/skos/core#Collection"><code>skos:Collection</code></a>, <a href="http://www.w3.org/2002/07/owl#Ontology"><code>owl:Ontology</code></a> or similar, which allows each member to be denoted by an IRI and published as linked-data.
+                  </td>
+                </tr>
                 </tbody>
             </table>
         </section>
@@ -3931,6 +3939,10 @@ <h3>Changes since the W3C Recommendation of 16 January 2014</h3>
         <p>The document has undergone the following changes since the W3C Recommendation of 16 January 2014 [[?VOCAB-DCAT-20140116]]:</p>
 
         <ul>
+          <li>
+              The global range of the property <a href="#Property:catalog_themes"><code>dcat:themeTaxonomy</code></a> relaxed to allow linking to a taxonomy that is not formalized as a skos:ConceptScheme. See <a href="https://github.com/w3c/dxwg/issues/119">Issue #119</a>
+          </li>
+
           <li>
               A new property <a href="#Property:dataset_spatialresolution"><code>dcat:spatialResolutionInMeters</code></a> added to support description of the spatial resolution of datasets and distributions. See <a href="https://github.com/w3c/dxwg/issues/84">Issue #84</a>
           </li>
diff --git a/dcat/rdf/dcat.ttl b/dcat/rdf/dcat.ttl
index b79863fab..a9425384e 100644
--- a/dcat/rdf/dcat.ttl
+++ b/dcat/rdf/dcat.ttl
@@ -14,7 +14,7 @@
 @prefix prov: <http://www.w3.org/ns/prov#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix schema: <http://schema.org/> .
+@prefix sdo: <http://schema.org/> .
 @prefix skos: <http://www.w3.org/2004/02/skos/core#> .
 @prefix v: <http://www.w3.org/2006/vcard/ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@@ -26,29 +26,33 @@
       rdfs:seeAlso <https://orcid.org/0000-0002-3884-3420> ;
       foaf:name "Simon J D Cox" ;
       foaf:workInfoHomepage <http://people.csiro.au/Simon-Cox> ;
+      sdo:affiliation [
+        foaf:homepage <https://csiro.au> ;
+        foaf:name "Commonwealth Scientific and Industrial Research Organisation" ;
+      ] ;
     ] ;
   dct:contributor [
-      schema:affiliation <http://www.w3.org/data#W3C> ;
+      sdo:affiliation <http://www.w3.org/data#W3C> ;
       rdfs:seeAlso <http://philarcher.org/foaf.rdf#me> ;
       foaf:homepage <http://www.w3.org/People/all#phila> ;
       foaf:name "Phil Archer" ;
     ] ;
   dct:contributor [
-      schema:affiliation [
+      sdo:affiliation [
           foaf:homepage <http://ec.europa.eu/dgs/informatics/> ;
           foaf:name "European Commission, DG DIGIT" ;
         ] ;
       foaf:name "Vassilios Peristeras" ;
     ] ;
   dct:contributor [
-      schema:affiliation [
+      sdo:affiliation [
           foaf:homepage <http://okfn.org> ;
           foaf:name "Open Knowledge Foundation" ;
         ] ;
       foaf:name "Rufus Pollock" ;
     ] ;
   dct:contributor [
-      schema:affiliation [
+      sdo:affiliation [
           foaf:homepage <http://www.refinitiv.com> ;
           foaf:name "Refinitiv" ;
         ] ;
@@ -984,7 +988,10 @@ dcat:themeTaxonomy
   rdfs:label "Ταξινομία θεματικών κατηγοριών."@el ;
   rdfs:label "قائمة التصنيفات"@ar ;
   rdfs:label "テーマ"@ja ;
-  rdfs:range skos:ConceptScheme ;
+#  rdfs:range skos:ConceptScheme ;
+  rdfs:range rdfs:Resource ;
+  sdo:rangeIncludes skos:ConceptScheme , skos:Collection , owl:Ontology ;
+  skos:scopeNote "It is recommended that the taxonomy is organized in a skos:ConceptScheme, skos:Collection, owl:Ontology or similar, which allows each member to be denoted by an IRI and published as linked-data."@en ;
 .
 dct:accessRights
   skos:scopeNote "Information about licenses and rights MAY be provided for the Resource. See also guidance at § 10. License and rights statements."@en ;