assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:135 IAO:0000115 A vaginal benign neoplasm that has_material_basis_in carcinomatous (epithelial tissue) and sarcomatous (connective tissue) components. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.glowm.com/section-view/heading/Benign%20Neoplasms%20of%20the%20Vagina/item/5""}]}"