assertion  retraction  graph  subject   predicate            object                            datatype    annotation
1          0           graph  DOID:824  oio:id               DOID:824                          xsd:string  
1          0           graph  DOID:824  oio:hasDbXref        MESH:D010518                      xsd:string  
1          0           graph  DOID:824  rdfs:subClassOf      DOID:3388                         _IRI        
1          0           graph  DOID:824  oio:hasDbXref        NCI:C34918                        xsd:string  
1          0           graph  DOID:824  rdfs:label           periodontitis                     xsd:string  
1          0           graph  DOID:824  oio:hasDbXref        ICD10CM:K05.3                     xsd:string  
1          0           graph  DOID:824  rdf:type             owl:Class                         _IRI        
1          0           graph  DOID:824  oio:hasDbXref        EFO:0000649                       xsd:string  
1          0           graph  DOID:824  oio:inSubset         obo:doid#NCIthesaurus             _IRI        
1          0           graph  DOID:824  oio:hasOBONamespace  disease_ontology                  xsd:string  
1          0           graph  DOID:824  oio:hasDbXref        UMLS_CUI:C0031099                 xsd:string  
1          0           graph  DOID:824  oio:hasExactSynonym  chronic pericementitis            @en         
1          0           graph  DOID:824  oio:hasDbXref        SNOMEDCT_US_2023_03_01:266491004  xsd:string