assertion  retraction  graph  subject    predicate            object                 datatype    annotation
1          0           graph  DOID:1988  oio:inSubset         obo:doid#NCIthesaurus  _IRI        
1          0           graph  DOID:1988  rdfs:label           rectum lymphoma        xsd:string  
1          0           graph  DOID:1988  rdfs:subClassOf      DOID:1993              _IRI        
1          0           graph  DOID:1988  oio:id               DOID:1988              xsd:string  
1          0           graph  DOID:1988  oio:hasOBONamespace  disease_ontology       xsd:string  
1          0           graph  DOID:1988  rdfs:subClassOf      DOID:0060058           _IRI        
1          0           graph  DOID:1988  rdf:type             owl:Class              _IRI        
1          0           graph  DOID:1988  oio:hasExactSynonym  Lymphoma of rectum     @en         
1          0           graph  DOID:1988  oio:hasDbXref        UMLS_CUI:C1335685      xsd:string  
1          0           graph  DOID:1988  oio:hasDbXref        NCI:C5553              xsd:string