assertion  retraction  graph  subject       predicate    object                                        datatype    annotation
1          0           graph  DOID:0060564  IAO:0000115  A bone disease that is located_in the spine.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://en.wikipedia.org/wiki/Spinal_disease""}]}"