Issues in TS 103 673 Clause 9.4.3.1

ontology/saref4inma.ttl

@@ -10,12 +10,15 @@
 @prefix saref: <https://saref.etsi.org/core/> .
 @prefix s4bldg: <https://saref.etsi.org/saref4bldg/> .
 @prefix s4inma: <https://saref.etsi.org/saref4inma/> .
+@prefix vann: <http://purl.org/vocab/vann/> .
 @base <https://saref.etsi.org/saref4inma/> .
 
 <https://saref.etsi.org/saref4inma/> rdf:type owl:Ontology ;
                                    dct:modified "2020-05-25"^^xsd:date ;
                                    dct:title "SAREF4INMA: an extension of SAREF for the industry and manufacturing domain"^^xsd:string ;
                                    dct:issued "2019-04-30"^^xsd:date ;
+                          vann:preferredNamespacePrefix "s4inma" ;
+                          vann:preferredNamespaceUri "https://saref.etsi.org/saref4inma/"^^xsd:anyURI ;
                                    dct:publisher <http://oeg-upm.net> ;
                                    dct:creator <https://www.linkedin.com/in/lauradaniele> ;
                                    dct:publisher <https://tno.nl/en/> ;