assertion  retraction  graph  subject    predicate            object                     datatype    annotation
1          0           graph  DOID:6522  rdfs:label           mixed cell uveal melanoma  xsd:string  
1          0           graph  DOID:6522  oio:inSubset         obo:doid#NCIthesaurus      _IRI        
1          0           graph  DOID:6522  oio:id               DOID:6522                  xsd:string  
1          0           graph  DOID:6522  oio:hasOBONamespace  disease_ontology           xsd:string  
1          0           graph  DOID:6522  oio:hasDbXref        UMLS_CUI:C1334782          xsd:string  
1          0           graph  DOID:6522  oio:hasDbXref        NCI:C35781                 xsd:string  
1          0           graph  DOID:6522  rdfs:subClassOf      DOID:6039                  _IRI        
1          0           graph  DOID:6522  rdf:type             owl:Class                  _IRI