assertion  retraction  graph  subject    predicate            object                            datatype    annotation
1          0           graph  DOID:1863  rdfs:subClassOf      DOID:184                          _IRI        
1          0           graph  DOID:1863  oio:hasDbXref        MESH:D012888                      xsd:string  
1          0           graph  DOID:1863  oio:hasDbXref        NCI:C3375                         xsd:string  
1          0           graph  DOID:1863  oio:id               DOID:1863                         xsd:string  
1          0           graph  DOID:1863  oio:hasDbXref        UMLS_CUI:C0037305                 xsd:string  
1          0           graph  DOID:1863  rdf:type             owl:Class                         _IRI        
1          0           graph  DOID:1863  rdfs:label           skull cancer                      xsd:string  
1          0           graph  DOID:1863  oio:inSubset         obo:doid#NCIthesaurus             _IRI        
1          0           graph  DOID:1863  oio:hasDbXref        SNOMEDCT_US_2023_03_01:126538005  xsd:string  
1          0           graph  DOID:1863  oio:hasOBONamespace  disease_ontology                  xsd:string