assertion  retraction  graph  subject    predicate    object                                                                                                                                                               datatype    annotation
1          0           graph  DOID:6364  IAO:0000115  A brain disease that is characterized by moderate to severe headaches, nausea, extreme sensitivity to light and sound and intense unilaterial throbbing or pulsing.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Migraine""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.mayoclinic.com/health/migraine-headache/DS00120""}]}"