assertion  retraction  graph  subject    predicate    object                                                                  datatype    annotation
1          0           graph  DOID:2731  IAO:0000115  A bullous skin disease that is characterized by fluid filled blisters.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007645""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.aafp.org/afp/2017/0601/p717.html""}]}"