Link :Journal to dbr:Academic_journal but keep existing class and instances. Resolve #26.

KonradHoeffner · KonradHoeffner · commit 7600e419ef3a · 2022-03-03T13:37:30.000+01:00
diff --git a/ontology.ttl b/ontology.ttl
@@ -720,6 +720,7 @@
 
 ###  http://hitontology.eu/ontology/Journal
 :Journal rdf:type owl:Class ;
+         owl:sameAs dbr:Academic_journal ;
          rdfs:label "Journal"@en .
 
 
