assertion  retraction  graph  subject    predicate            object                                                                      datatype    annotation
1          0           graph  DOID:5527  oio:hasDbXref        UMLS_CUI:C1332251                                                           xsd:string  
1          0           graph  DOID:5527  oio:hasOBONamespace  disease_ontology                                                            xsd:string  
1          0           graph  DOID:5527  rdfs:subClassOf      DOID:4932                                                                   _IRI        
1          0           graph  DOID:5527  oio:id               DOID:5527                                                                   xsd:string  
1          0           graph  DOID:5527  rdf:type             owl:Class                                                                   _IRI        
1          0           graph  DOID:5527  rdfs:label           ampulla of Vater squamous cell carcinoma                                    xsd:string  
1          0           graph  DOID:5527  oio:inSubset         obo:doid#NCIthesaurus                                                       _IRI        
1          0           graph  DOID:5527  rdfs:subClassOf      DOID:1749                                                                   _IRI        
1          0           graph  DOID:5527  oio:hasDbXref        NCI:C27417                                                                  xsd:string  
1          0           graph  DOID:5527  IAO:0000115          An ampulla of Vater carcinoma that derives_from epithelial squamous cells.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Squamous-cell_carcinoma""}]}"