assertion  retraction  graph  subject    predicate            object                                                                                                                                    datatype    annotation
1          0           graph  DOID:2151  IAO:0000115          An ovary epithelial cancer that has_material_basis_in epithelial and stromal tissue and arises from the surface epithelium of the ovary.  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.sciencedirect.com/science/article/pii/0046817791902054""}]}"
1          0           graph  DOID:2151  rdfs:label           malignant ovarian surface epithelial-stromal neoplasm                                                                                     xsd:string  
1          0           graph  DOID:2151  oio:inSubset         obo:doid#NCIthesaurus                                                                                                                     _IRI        
1          0           graph  DOID:2151  oio:id               DOID:2151                                                                                                                                 xsd:string  
1          0           graph  DOID:2151  oio:hasOBONamespace  disease_ontology                                                                                                                          xsd:string  
1          0           graph  DOID:2151  oio:hasDbXref        UMLS_CUI:C1518236                                                                                                                         xsd:string  
1          0           graph  DOID:2151  oio:hasDbXref        NCI:C40026                                                                                                                                xsd:string  
1          0           graph  DOID:2151  rdfs:subClassOf      DOID:2152                                                                                                                                 _IRI        
1          0           graph  DOID:2151  rdf:type             owl:Class                                                                                                                                 _IRI