assertion  retraction  graph  subject   predicate    object                                              datatype    annotation
1          0           graph  DOID:771  IAO:0000115  A malignant neoplasm that derives_from the retina.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.wrongdiagnosis.com/medical/retinal_cancer.htm""}]}"