assertion  retraction  graph  subject    predicate            object                 datatype    annotation
1          0           graph  DOID:7206  rdfs:label           melanomatosis          xsd:string  
1          0           graph  DOID:7206  oio:inSubset         obo:doid#NCIthesaurus  _IRI        
1          0           graph  DOID:7206  oio:id               DOID:7206              xsd:string  
1          0           graph  DOID:7206  oio:hasOBONamespace  disease_ontology       xsd:string  
1          0           graph  DOID:7206  oio:hasDbXref        UMLS_CUI:C1334691      xsd:string  
1          0           graph  DOID:7206  oio:hasDbXref        NCI:C9499              xsd:string  
1          0           graph  DOID:7206  rdfs:subClassOf      DOID:1909              _IRI        
1          0           graph  DOID:7206  rdf:type             owl:Class              _IRI