assertion  retraction  graph  subject        predicate    object  datatype    annotation
1          0           graph  ONTIE:0002412  IAO:0000118  NC      xsd:string  
1          0           graph  ONTIE:0002874  IAO:0000118  NC      xsd:string  
1          0           graph  ONTIE:0002422  IAO:0000118  NC      xsd:string