assertion  retraction  graph  subject   predicate            object                 datatype    annotation
1          0           graph  DOID:907  rdfs:label           liver fibroma          xsd:string  
1          0           graph  DOID:907  oio:inSubset         obo:doid#NCIthesaurus  _IRI        
1          0           graph  DOID:907  oio:id               DOID:907               xsd:string  
1          0           graph  DOID:907  oio:hasOBONamespace  disease_ontology       xsd:string  
1          0           graph  DOID:907  oio:hasExactSynonym  Fibroma of the Liver   @en         
1          0           graph  DOID:907  oio:hasDbXref        UMLS_CUI:C1333965      xsd:string  
1          0           graph  DOID:907  oio:hasDbXref        NCI:C5752              xsd:string  
1          0           graph  DOID:907  rdfs:subClassOf      DOID:916               _IRI        
1          0           graph  DOID:907  rdf:type             owl:Class              _IRI