assertion  retraction  graph  subject       predicate    object                                                                                                                               datatype    annotation
1          0           graph  DOID:0050820  IAO:0000115  A heart conduction disease that is characterized by the impairment of the conduction between the atria and ventricles of 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/Atrioventricular_block""}]}"