assertion  retraction  graph  subject   predicate            object                datatype    annotation
1          0           graph  DOID:490  rdfs:label           hemangioma of lung    xsd:string  
1          0           graph  DOID:490  oio:id               DOID:490              xsd:string  
1          0           graph  DOID:490  oio:hasOBONamespace  disease_ontology      xsd:string  
1          0           graph  DOID:490  oio:hasExactSynonym  pulmonary hemangioma  @en         
1          0           graph  DOID:490  rdfs:subClassOf      DOID:3683             _IRI        
1          0           graph  DOID:490  rdfs:subClassOf      DOID:255              _IRI        
1          0           graph  DOID:490  rdf:type             owl:Class             _IRI