assertion  retraction  graph  subject    predicate            object                                datatype    annotation
1          0           graph  DOID:3494  rdfs:label           bile duct signet ring cell carcinoma  xsd:string  
1          0           graph  DOID:3494  oio:inSubset         obo:doid#NCIthesaurus                 _IRI        
1          0           graph  DOID:3494  oio:id               DOID:3494                             xsd:string  
1          0           graph  DOID:3494  oio:hasOBONamespace  disease_ontology                      xsd:string  
1          0           graph  DOID:3494  oio:hasDbXref        UMLS_CUI:C0861859                     xsd:string  
1          0           graph  DOID:3494  oio:hasDbXref        NCI:C5776                             xsd:string  
1          0           graph  DOID:3494  rdfs:subClassOf      DOID:4897                             _IRI        
1          0           graph  DOID:3494  rdf:type             owl:Class                             _IRI