assertion  retraction  graph  subject    predicate    object                                                                        datatype    annotation
1          0           graph  DOID:7921  IAO:0000115  A mediastinal neurilemmoma characterized by the presence of psammoma bodies.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007636""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&ns=ncit&code=C6636""}]}"