Merge branch 'master' into mprg-swp30

-# baseURI: http://www.reportinghub.no/ep/transform/transform-helper-schema
-
-@prefix owl:     <http://www.w3.org/2002/07/owl#> .
-@prefix rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
-@prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix transhelp:  <http://www.reportinghub.no/ep/transform/transform-helper-schema#> .
-@prefix xsd:     <http://www.w3.org/2001/XMLSchema#> .
-
-<http://www.reportinghub.no/ep/transform/transform-helper-schema>
-      rdf:type owl:Ontology ;
-      rdfs:comment "The Transform Helper Schema is the set of properties and classes used for the creation of temporary data used as part of the ERH transformations. All instances of classes and uses of these properties is deleted before the triples are stored in the RDF database."^^xsd:string ;
-      owl:versionInfo "Created with TopBraid Composer"^^xsd:string .
-
-transhelp:derivedFrom
-      rdf:type owl:ObjectProperty , owl:TransitiveProperty .
-
-transhelp:dummyTrue
-      rdf:type owl:DatatypeProperty , owl:FunctionalProperty .
-
-transhelp:intervalIdentifier
-      rdf:type owl:FunctionalProperty , owl:DatatypeProperty .
-
-transhelp:mapsTo
-      rdf:type rdf:Property .
+# baseURI: http://www.reportinghub.no/ep/transform/transform-helper-schema
+
+@prefix owl:     <http://www.w3.org/2002/07/owl#> .
+@prefix rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix transhelp:  <http://www.reportinghub.no/ep/transform/transform-helper-schema#> .
+@prefix xsd:     <http://www.w3.org/2001/XMLSchema#> .
+
+<http://www.reportinghub.no/ep/transform/transform-helper-schema>
+      rdf:type owl:Ontology ;
+      rdfs:comment "The Transform Helper Schema is the set of properties and classes used for the creation of temporary data used as part of the ERH transformations. All instances of classes and uses of these properties is deleted before the triples are stored in the RDF database."^^xsd:string ;
+      owl:versionInfo "Created with TopBraid Composer"^^xsd:string .
+
+transhelp:derivedFrom
+      rdf:type owl:ObjectProperty .
+
+transhelp:dummyTrue
+      rdf:type owl:DatatypeProperty , owl:FunctionalProperty .
+
+transhelp:hasDerivedText
+      rdf:type owl:DatatypeProperty .
+
+transhelp:intervalIdentifier
+      rdf:type owl:FunctionalProperty , owl:DatatypeProperty .
+
+transhelp:mapsTo
+      rdf:type rdf:Property .
+
+transhelp:materialClassMapsToMPREnumeration
+      rdf:type owl:ObjectProperty , owl:FunctionalProperty , owl:InverseFunctionalProperty ;
+      rdfs:label "material class maps to MPR enumeration"^^xsd:string ;
+      rdfs:subPropertyOf transhelp:mapsTo .