assertion  retraction  graph  subject    predicate    object                                                                                                                                                                                                                  datatype    annotation
1          0           graph  DOID:4164  IAO:0000115  A brain cancer that is characterized by small, round and blue cells with rosette patterns on histology, that has_material_basis_in abnormally proliferating cells and derives_from precursor cells called blast cells.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007645""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://en.wikipedia.org/wiki/Neuroblastoma""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ncbi.nlm.nih.gov/pubmed/6886755""}]}"