assertion  retraction  graph  subject   predicate            object                       datatype    annotation
1          0           graph  DOID:956  rdfs:label           peripheral nerve schwannoma  xsd:string  
1          0           graph  DOID:956  oio:inSubset         obo:doid#NCIthesaurus        _IRI        
1          0           graph  DOID:956  oio:id               DOID:956                     xsd:string  
1          0           graph  DOID:956  oio:hasOBONamespace  disease_ontology             xsd:string  
1          0           graph  DOID:956  oio:hasDbXref        UMLS_CUI:C1519001            xsd:string  
1          0           graph  DOID:956  oio:hasDbXref        NCI:C41430                   xsd:string  
1          0           graph  DOID:956  rdfs:subClassOf      DOID:3192                    _IRI        
1          0           graph  DOID:956  rdf:type             owl:Class                    _IRI