Add missing domains and ranges

metadata4ing.ttl

@@ -595,6 +595,7 @@ m4i:inProject rdf:type owl:ObjectProperty ;
 ###  http://w3id.org/nfdi4ing/metadata4ing#investigates
 m4i:investigates rdf:type owl:ObjectProperty ;
                  rdfs:domain m4i:ProcessingStep ;
+                 rdfs:range owl:Thing ;
                  skos:definition "(x investigates y) means that x is about y, in the context of scientific research and development"@en ;
                  skos:prefLabel "investigates"@en ,
                                 "untersucht"@de .
@@ -976,6 +977,7 @@ m4i:hasDateAssignmentValidUntil rdf:type owl:DatatypeProperty ;
 ###  http://w3id.org/nfdi4ing/metadata4ing#hasNumericalValue
 m4i:hasNumericalValue rdf:type owl:DatatypeProperty ;
                       rdfs:domain si:Real ;
+                      rdfs:range xsd:decimal ;
                       skos:broader qudt:value ,
                                    pims-ii:isLiterally ,
                                    si:hasValue ;
@@ -1026,6 +1028,8 @@ m4i:hasVariableDescription rdf:type owl:DatatypeProperty ;
 
 ###  http://w3id.org/nfdi4ing/metadata4ing#identifier
 m4i:identifier rdf:type owl:DatatypeProperty ;
+               rdfs:domain owl:Thing ;
+               rdfs:range xsd:string ;
                skos:altLabel "besitzt eindeutigen Identifikator"@de ,
                              "has unique identifier"@en ,
                              "is represented through identifier"@en ,