assertion  retraction  graph  subject    predicate            object                       datatype    annotation
1          0           graph  DOID:6525  rdfs:label           choroid mixed cell melanoma  xsd:string  
1          0           graph  DOID:6525  oio:inSubset         obo:doid#NCIthesaurus        _IRI        
1          0           graph  DOID:6525  oio:id               DOID:6525                    xsd:string  
1          0           graph  DOID:6525  oio:hasOBONamespace  disease_ontology             xsd:string  
1          0           graph  DOID:6525  oio:hasDbXref        UMLS_CUI:C1333025            xsd:string  
1          0           graph  DOID:6525  oio:hasDbXref        NCI:C35782                   xsd:string  
1          0           graph  DOID:6525  rdfs:subClassOf      DOID:6438                    _IRI        
1          0           graph  DOID:6525  rdf:type             owl:Class                    _IRI