assertion  retraction  graph  subject       predicate       object     datatype    annotation
1          0           graph  DOID:0050688  oio:created_by  snadendla  xsd:string  
1          0           graph  DOID:0050687  oio:created_by  snadendla  xsd:string  
1          0           graph  DOID:0050686  oio:created_by  snadendla  xsd:string  
1          0           graph  DOID:0050685  oio:created_by  snadendla  xsd:string  
1          0           graph  DOID:0050695  oio:created_by  snadendla  xsd:string  
1          0           graph  DOID:0050671  oio:created_by  snadendla  xsd:string