assertion  retraction  graph  subject    predicate            object                        datatype    annotation
1          0           graph  DOID:4437  rdfs:label           skull base meningioma         xsd:string  
1          0           graph  DOID:4437  oio:inSubset         obo:doid#NCIthesaurus         _IRI        
1          0           graph  DOID:4437  oio:id               DOID:4437                     xsd:string  
1          0           graph  DOID:4437  oio:hasOBONamespace  disease_ontology              xsd:string  
1          0           graph  DOID:4437  oio:hasExactSynonym  meningioma of the Skull Base  @en         
1          0           graph  DOID:4437  oio:hasDbXref        UMLS_CUI:C1335976             xsd:string  
1          0           graph  DOID:4437  oio:hasDbXref        NCI:C5272                     xsd:string  
1          0           graph  DOID:4437  rdfs:subClassOf      DOID:3842                     _IRI        
1          0           graph  DOID:4437  rdf:type             owl:Class                     _IRI