assertion  retraction  graph  subject   predicate    object                                                                                                                                                               datatype    annotation
1          0           graph  DOID:178  IAO:0000115  A cardiovascular system disease that primarily affects the blood vessels which includes the arteries, veins and capillaries that carry blood to and from the heart.  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/Vascular_disease""}]}"