assertion  retraction  graph  subject                                           predicate    object                                                                                                                                   datatype    annotation
1          0           graph  <http://www.w3.org/2004/02/skos/core#exactMatch>  IAO:0000115  A skos concept mapping used to link two concepts, indicating a high degree of confidence that the concepts can be used interchangeably.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.w3.org/2009/08/skos-reference/skos.html#exactMatch""}]}"