assertion  retraction  graph  subject     predicate            object                 datatype    annotation
1          0           graph  DOID:13160  oio:hasOBONamespace  disease_ontology       xsd:string  
1          0           graph  DOID:13160  oio:inSubset         obo:doid#NCIthesaurus  _IRI        
1          0           graph  DOID:13160  rdfs:subClassOf      DOID:518               _IRI        
1          0           graph  DOID:13160  oio:id               DOID:13160             xsd:string  
1          0           graph  DOID:13160  oio:hasDbXref        UMLS_CUI:C1331544      xsd:string  
1          0           graph  DOID:13160  oio:hasExactSynonym  melanoma of scrotum    @en         
1          0           graph  DOID:13160  oio:hasDbXref        NCI:C7361              xsd:string  
1          0           graph  DOID:13160  rdf:type             owl:Class              _IRI        
1          0           graph  DOID:13160  rdfs:subClassOf      DOID:1909              _IRI        
1          0           graph  DOID:13160  rdfs:label           scrotum melanoma       xsd:string