assertion  retraction  graph  subject    predicate              object                   datatype    annotation
1          0           graph  DOID:1993  oio:inSubset           obo:doid#NCIthesaurus    _IRI        
1          0           graph  DOID:1993  oio:hasExactSynonym    carcinoma of the rectum  @en         
1          0           graph  DOID:1993  oio:hasRelatedSynonym  cancer of rectum         @en         
1          0           graph  DOID:1993  oio:hasOBONamespace    disease_ontology         xsd:string  
1          0           graph  DOID:1993  rdfs:subClassOf        DOID:9256                _IRI        
1          0           graph  DOID:1993  oio:hasDbXref          UMLS_CUI:C0949022        xsd:string  
1          0           graph  DOID:1993  rdf:type               owl:Class                _IRI