Added three MPR classes

@@ -26,25 +26,30 @@ report:AbstractDR
       rdfs:subClassOf foaf:Document ;
       rdfs:subClassOf
               [ rdf:type owl:Restriction ;
-                owl:allValuesFrom xsd:string ;
+                owl:cardinality "1"^^xsd:nonNegativeInteger ;
                 owl:onProperty sioc:id
               ] ;
       rdfs:subClassOf
               [ rdf:type owl:Restriction ;
                 owl:cardinality "1"^^xsd:nonNegativeInteger ;
-                owl:onProperty <http://purl.org/dc/terms/date>
+                owl:onProperty <http://purl.org/dc/terms/created>
               ] ;
       rdfs:subClassOf
               [ rdf:type owl:Restriction ;
                 owl:cardinality "1"^^xsd:nonNegativeInteger ;
-                owl:onProperty <http://purl.org/dc/terms/created>
+                owl:onProperty <http://purl.org/dc/terms/date>
               ] ;
       rdfs:subClassOf
               [ rdf:type owl:Restriction ;
-                owl:cardinality "1"^^xsd:nonNegativeInteger ;
+                owl:allValuesFrom xsd:string ;
                 owl:onProperty sioc:id
               ] .
 
+report:AbstractMPR
+      rdf:type owl:Class ;
+      rdfs:label "Abstract MPR"^^xsd:string ;
+      rdfs:subClassOf foaf:Document .
+
 report:DDR
       rdf:type owl:Class ;
       rdfs:comment "The metadata about a Daily Drilling Report."^^xsd:string ;
@@ -53,12 +58,12 @@ report:DDR
       rdfs:subClassOf
               [ rdf:type owl:Restriction ;
                 owl:cardinality "1"^^xsd:nonNegativeInteger ;
-                owl:onProperty report:wellBoreId
+                owl:onProperty report:xml
               ] ;
       rdfs:subClassOf
               [ rdf:type owl:Restriction ;
                 owl:cardinality "1"^^xsd:nonNegativeInteger ;
-                owl:onProperty report:xml
+                owl:onProperty report:wellBoreId
               ] .
 
 report:DPR
@@ -81,6 +86,21 @@ report:HTMLFormat
       rdf:type report:Format ;
       rdfs:label "HTMLFormat"^^xsd:string .
 
+report:MPRD
+      rdf:type owl:Class ;
+      rdfs:label "MPRD"^^xsd:string ;
+      rdfs:subClassOf report:AbstractMPR .
+
+report:MPRG
+      rdf:type owl:Class ;
+      rdfs:label "MPRG"^^xsd:string ;
+      rdfs:subClassOf report:AbstractMPR .
+
+report:MPRP
+      rdf:type owl:Class ;
+      rdfs:label "MPRP"^^xsd:string ;
+      rdfs:subClassOf report:AbstractMPR .
+
 report:NPTR
       rdf:type owl:Class ;
       rdfs:comment "Metadata about a Non-Productive Time Report."^^xsd:string ;