assertion  retraction  graph  subject    predicate            object                                datatype    annotation
1          0           graph  DOID:6992  rdfs:label           intraocular mixed cell type melanoma  xsd:string  
1          0           graph  DOID:6992  oio:inSubset         obo:doid#NCIthesaurus                 _IRI        
1          0           graph  DOID:6992  oio:id               DOID:6992                             xsd:string  
1          0           graph  DOID:6992  oio:hasOBONamespace  disease_ontology                      xsd:string  
1          0           graph  DOID:6992  oio:hasExactSynonym  mixed cell type Uveal melanoma        @en         
1          0           graph  DOID:6992  oio:hasDbXref        UMLS_CUI:C0279693                     xsd:string  
1          0           graph  DOID:6992  oio:hasDbXref        NCI:C7989                             xsd:string  
1          0           graph  DOID:6992  rdfs:subClassOf      DOID:1752                             _IRI        
1          0           graph  DOID:6992  rdf:type             owl:Class                             _IRI