assertion  retraction  graph  subject          predicate  object        datatype    annotation
1          0           graph  DOID:4520        oio:id     DOID:4520     xsd:string  
1          0           graph  DOID:0081093     oio:id     DOID:0081093  xsd:string  
1          0           graph  DOID:1363        oio:id     DOID:1363     xsd:string  
1          0           graph  DOID:2452        oio:id     DOID:2452     xsd:string  
1          0           graph  DOID:14059       oio:id     DOID:14059    xsd:string  
1          0           graph  DOID:4993        oio:id     DOID:4993     xsd:string  
1          0           graph  DOID:4872        oio:id     DOID:4872     xsd:string  
1          0           graph  DOID:3541        oio:id     DOID:3541     xsd:string  
1          0           graph  DOID:4630        oio:id     DOID:4630     xsd:string  
1          0           graph  DOID:0081082     oio:id     DOID:0081082  xsd:string  
1          0           graph  obo:CHEBI_22693  oio:id     CHEBI:22693   xsd:string  
1          0           graph  obo:CHEBI_8107   oio:id     CHEBI:8107    xsd:string  
1          0           graph  DOID:2683        oio:id     DOID:2683     xsd:string  
1          0           graph  DOID:1352        oio:id     DOID:1352     xsd:string  
1          0           graph  DOID:3893        oio:id     DOID:3893     xsd:string  
1          0           graph  DOID:3772        oio:id     DOID:3772     xsd:string  
1          0           graph  DOID:2441        oio:id     DOID:2441     xsd:string  
1          0           graph  DOID:0081071     oio:id     DOID:0081071  xsd:string  
1          0           graph  obo:CHEBI_22682  oio:id     CHEBI:22682   xsd:string  
1          0           graph  obo:CHEBI_35992  oio:id     CHEBI:35992   xsd:string