assertion  retraction  graph  subject    predicate            object                 datatype    annotation
1          0           graph  DOID:6846  rdfs:label           familial melanoma      xsd:string  
1          0           graph  DOID:6846  oio:inSubset         obo:doid#NCIthesaurus  _IRI        
1          0           graph  DOID:6846  oio:id               DOID:6846              xsd:string  
1          0           graph  DOID:6846  oio:hasOBONamespace  disease_ontology       xsd:string  
1          0           graph  DOID:6846  oio:hasDbXref        UMLS_CUI:C1512419      xsd:string  
1          0           graph  DOID:6846  oio:hasDbXref        NCI:C8498              xsd:string  
1          0           graph  DOID:6846  rdfs:subClassOf      DOID:1909              _IRI        
1          0           graph  DOID:6846  rdf:type             owl:Class              _IRI