diff --git a/definitions/conceptschemes/ogc-na.ttl b/definitions/conceptschemes/ogc-na.ttl
index c89322b4..2ce2bbc2 100644
--- a/definitions/conceptschemes/ogc-na.ttl
+++ b/definitions/conceptschemes/ogc-na.ttl
@@ -143,6 +143,14 @@
   owl:imports dc: ;
   owl:versionIRI <https://svn.opengeospatial.org/ogc-projects/sp/ogc-na/tags/2012-10/definitions/ogc-na.rdf> ;
 .
+
+<http://www.opengis.net/def/ogc-na> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#ConceptScheme> .
+<http://www.opengis.net/def/ogc-na> <http://www.w3.org/2000/01/rdf-schema#label> "Definitions managed by OGC Naming Authority" .
+<http://www.opengis.net/def/ogc-na> <http://www.w3.org/2004/02/skos/core#prefLabel> "Definitions managed by OGC Naming Authority" .
+<http://www.opengis.net/def/ogc-na> <http://www.opengis.net/def/metamodel/ogc-na/collectionView> <http://www.opengis.net/def/ogc-na/> .
+<http://www.opengis.net/def/ogc-na> <http://www.opengis.net/def/metamodel/ogc-na/status> <http://www.opengis.net/def/status/valid> .
+
+
 <http://www.opengis.net/def/ogc-na/>
   rdf:type skos:Collection ;
   rdfs:isDefinedBy <http://www.opengis.net/def/ogc-na> ;