assertion  retraction  graph  subject    predicate            object                            datatype    annotation
1          0           graph  DOID:8427  oio:id               DOID:8427                         xsd:string  
1          0           graph  DOID:8427  rdfs:subClassOf      DOID:4645                         _IRI        
1          0           graph  DOID:8427  oio:hasExactSynonym  malignant Retinal melanoma        @en         
1          0           graph  DOID:8427  oio:inSubset         obo:doid#NCIthesaurus             _IRI        
1          0           graph  DOID:8427  rdfs:label           retinal melanoma                  xsd:string  
1          0           graph  DOID:8427  oio:hasDbXref        UMLS_CUI:C0853394                 xsd:string  
1          0           graph  DOID:8427  oio:hasDbXref        SNOMEDCT_US_2023_03_01:423673009  xsd:string  
1          0           graph  DOID:8427  rdf:type             owl:Class                         _IRI        
1          0           graph  DOID:8427  oio:hasDbXref        NCI:C8601                         xsd:string  
1          0           graph  DOID:8427  oio:hasOBONamespace  disease_ontology                  xsd:string