assertion  retraction  graph  subject    predicate    object                                                                                                            datatype    annotation
1          0           graph  DOID:2101  IAO:0000115  A vulva carcinoma and has_material_basis_in squamous cells and is located_in the epidermis of the vulvar tissue.  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""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Vulvar_cancer#Squamous_cell_carcinoma""}]}"