assertion  retraction  graph  subject    predicate            object                                            datatype    annotation
1          0           graph  DOID:7733  rdfs:label           signet ring cell intrahepatic cholangiocarcinoma  xsd:string  
1          0           graph  DOID:7733  oio:inSubset         obo:doid#NCIthesaurus                             _IRI        
1          0           graph  DOID:7733  oio:id               DOID:7733                                         xsd:string  
1          0           graph  DOID:7733  oio:hasOBONamespace  disease_ontology                                  xsd:string  
1          0           graph  DOID:7733  oio:hasDbXref        UMLS_CUI:C1519321                                 xsd:string  
1          0           graph  DOID:7733  oio:hasDbXref        NCI:C41619                                        xsd:string  
1          0           graph  DOID:7733  rdfs:subClassOf      DOID:4928                                         _IRI        
1          0           graph  DOID:7733  rdf:type             owl:Class                                         _IRI