assertion  retraction  graph  subject   predicate            object                             datatype    annotation
1          0           graph  DOID:959  rdfs:label           esophagus squamous cell papilloma  xsd:string  
1          0           graph  DOID:959  rdfs:subClassOf      DOID:6050                          _IRI        
1          0           graph  DOID:959  rdf:type             owl:Class                          _IRI        
1          0           graph  DOID:959  oio:hasDbXref        NCI:C5344                          xsd:string  
1          0           graph  DOID:959  oio:hasDbXref        SNOMEDCT_US_2023_03_01:1197270001  xsd:string  
1          0           graph  DOID:959  oio:hasDbXref        UMLS_CUI:C1333467                  xsd:string  
1          0           graph  DOID:959  rdfs:subClassOf      DOID:0050624                       _IRI        
1          0           graph  DOID:959  oio:id               DOID:959                           xsd:string  
1          0           graph  DOID:959  oio:hasOBONamespace  disease_ontology                   xsd:string  
1          0           graph  DOID:959  oio:inSubset         obo:doid#NCIthesaurus              _IRI