assertion  retraction  graph  subject    predicate    object                                                                                                                                                                                                  datatype    annotation
1          0           graph  DOID:7565  IAO:0000115  A vulva carcinoma that is characterized by heterogenous histology that includes squamous cells, mucinous cells, clear cells, pigmented cells, and spindle cells and derives_from eccrine sweat glands.  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/pmc/articles/PMC5105286/""}]}"