assertion  retraction  graph  subject   predicate    object                                                                                                                                           datatype    annotation
1          0           graph  DOID:768  IAO:0000115  A retinal cell cancer and malignant neoplasm of retina and neuroblastoma and neuroendocrine tumors that derives_from the tissues of the retina.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.cancer.gov/cancertopics/types/retinoblastoma""}]}"