assertion  retraction  graph  subject       predicate    object                                               datatype    annotation
1          0           graph  DOID:0080842  IAO:0000115  A meningioma that arises within the cranial cavity.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://pubmed.ncbi.nlm.nih.gov/17961033/""}]}"