assertion  retraction  graph  subject    predicate            object                                                                                                                                             datatype    annotation
1          0           graph  DOID:7665  IAO:0000115          An ovarian primitive germ cell tumor that has_material_basis_in trophoblastic cells and develops in the absence of a preceding gestational event.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007645""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ncbi.nlm.nih.gov/pubmed/20090265""}]}"
1          0           graph  DOID:7665  oio:hasOBONamespace  disease_ontology                                                                                                                                   xsd:string  
1          0           graph  DOID:7665  rdfs:subClassOf      DOID:5550                                                                                                                                          _IRI        
1          0           graph  DOID:7665  oio:hasDbXref        NCI:C39991                                                                                                                                         xsd:string  
1          0           graph  DOID:7665  oio:inSubset         obo:doid#NCIthesaurus                                                                                                                              _IRI        
1          0           graph  DOID:7665  oio:id               DOID:7665                                                                                                                                          xsd:string  
1          0           graph  DOID:7665  rdfs:subClassOf      DOID:5351                                                                                                                                          _IRI        
1          0           graph  DOID:7665  rdf:type             owl:Class                                                                                                                                          _IRI        
1          0           graph  DOID:7665  rdfs:label           non-gestational ovarian choriocarcinoma                                                                                                            xsd:string  
1          0           graph  DOID:7665  oio:hasDbXref        UMLS_CUI:C1518355                                                                                                                                  xsd:string