assertion  retraction  graph  subject    predicate    object                                                                                                                                                                            datatype    annotation
1          0           graph  DOID:5480  IAO:0000115  An ovarian benign neoplasm that is has_material_basis_in glandular and fibrous tissues, with a relatively large proportion of glands and is characterized by endometrial tissue.  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/9631607""}]}"