assertion  retraction  graph  subject    predicate            object                           datatype    annotation
1          0           graph  DOID:6489  oio:hasDbXref        UMLS_CUI:C1377843                xsd:string  
1          0           graph  DOID:6489  oio:hasDbXref        NCI:C8970                        xsd:string  
1          0           graph  DOID:6489  rdfs:label           periosteal osteogenic sarcoma    xsd:string  
1          0           graph  DOID:6489  oio:inSubset         obo:doid#NCIthesaurus            _IRI        
1          0           graph  DOID:6489  oio:hasDbXref        SNOMEDCT_US_2023_03_01:91242000  xsd:string  
1          0           graph  DOID:6489  rdfs:subClassOf      DOID:3374                        _IRI        
1          0           graph  DOID:6489  oio:hasOBONamespace  disease_ontology                 xsd:string  
1          0           graph  DOID:6489  oio:id               DOID:6489                        xsd:string  
1          0           graph  DOID:6489  rdf:type             owl:Class                        _IRI        
1          0           graph  DOID:6489  oio:hasExactSynonym  periosteal osteosarcoma          @en