assertion  retraction  graph  subject    predicate            object                        datatype    annotation
1          0           graph  DOID:8000  rdfs:label           frontal convexity meningioma  xsd:string  
1          0           graph  DOID:8000  oio:inSubset         obo:doid#NCIthesaurus         _IRI        
1          0           graph  DOID:8000  oio:id               DOID:8000                     xsd:string  
1          0           graph  DOID:8000  oio:hasOBONamespace  disease_ontology              xsd:string  
1          0           graph  DOID:8000  oio:hasDbXref        UMLS_CUI:C1333643             xsd:string  
1          0           graph  DOID:8000  oio:hasDbXref        NCI:C5292                     xsd:string  
1          0           graph  DOID:8000  rdfs:subClassOf      DOID:6114                     _IRI        
1          0           graph  DOID:8000  rdf:type             owl:Class                     _IRI