assertion  retraction  graph  subject   predicate            object                            datatype    annotation
1          0           graph  DOID:277  oio:hasDbXref        NCI:C4868                         xsd:string  
1          0           graph  DOID:277  oio:inSubset         obo:doid#NCIthesaurus             _IRI        
1          0           graph  DOID:277  oio:hasExactSynonym  Placental hemangioma              @en         
1          0           graph  DOID:277  oio:id               DOID:277                          xsd:string  
1          0           graph  DOID:277  rdf:type             owl:Class                         _IRI        
1          0           graph  DOID:277  oio:hasDbXref        MESH:D006391                      xsd:string  
1          0           graph  DOID:277  oio:hasDbXref        UMLS_CUI:C0677608                 xsd:string  
1          0           graph  DOID:277  rdfs:subClassOf      DOID:0060095                      _IRI        
1          0           graph  DOID:277  oio:hasDbXref        SNOMEDCT_US_2023_03_01:699948001  xsd:string  
1          0           graph  DOID:277  rdfs:subClassOf      DOID:255                          _IRI        
1          0           graph  DOID:277  oio:hasOBONamespace  disease_ontology                  xsd:string  
1          0           graph  DOID:277  rdfs:subClassOf      DOID:780                          _IRI        
1          0           graph  DOID:277  rdfs:label           chorioangioma                     xsd:string