assertion  retraction  graph  subject       predicate    object                                                                                                                                            datatype    annotation
1          0           graph  DOID:0081302  IAO:0000115  A central nervous system benign neoplasm that is characterized by the presence of clear glial neoplastic cells reminiscent of oligodendroglioma.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://radiopaedia.org/articles/diffuse-leptomeningeal-glioneuronal-tumour?lang=us""}]}"