assertion  retraction  graph  subject     predicate    object                                                                                                                                                               datatype    annotation
1          0           graph  DOID:13268  IAO:0000115  An inherited metabolic disorder that involves certain enzymes in the heme bio-synthetic pathway resulting in the overproduction and accumulation of the porphyrins.  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/Porphyria#Subtypes""}]}"