assertion  retraction  graph  subject    predicate            object                            datatype    annotation
1          0           graph  DOID:2599  oio:hasOBONamespace  disease_ontology                  xsd:string  
1          0           graph  DOID:2599  rdf:type             owl:Class                         _IRI        
1          0           graph  DOID:2599  rdfs:subClassOf      DOID:2595                         _IRI        
1          0           graph  DOID:2599  oio:hasDbXref        NCI:C4923                         xsd:string  
1          0           graph  DOID:2599  oio:inSubset         obo:doid#NCIthesaurus             _IRI        
1          0           graph  DOID:2599  oio:hasDbXref        SNOMEDCT_US_2023_03_01:372103002  xsd:string  
1          0           graph  DOID:2599  oio:hasDbXref        UMLS_CUI:C0740083                 xsd:string  
1          0           graph  DOID:2599  rdfs:label           glottis carcinoma                 xsd:string  
1          0           graph  DOID:2599  oio:hasExactSynonym  Glottic carcinoma                 @en         
1          0           graph  DOID:2599  oio:id               DOID:2599                         xsd:string  
1          0           graph  DOID:2599  oio:hasExactSynonym  carcinoma of glottis              @en         
1          0           graph  DOID:2599  rdfs:subClassOf      DOID:305                          _IRI