assertion  retraction  graph  subject       predicate       object    datatype    annotation
1          0           graph  DOID:0060219  oio:created_by  emitraka  xsd:string  
1          0           graph  DOID:0060318  oio:created_by  emitraka  xsd:string  
1          0           graph  DOID:0060338  oio:created_by  emitraka  xsd:string  
1          0           graph  DOID:0060262  oio:created_by  emitraka  xsd:string  
1          0           graph  DOID:0060180  oio:created_by  emitraka  xsd:string