assertion  retraction  graph  subject       predicate    object                                                                                                                                   datatype    annotation
1          0           graph  DOID:0080956  IAO:0000115  A childhood embryonal tumor with multilayered rosettes, C19MC-altered that arises from the supratentorial brain and occurs in children.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&ns=ncit&code=C6772""}]}"