assertion  retraction  graph  subject          predicate  object        datatype    annotation
1          0           graph  DOID:8420        oio:id     DOID:8420     xsd:string  
1          0           graph  DOID:4295        oio:id     DOID:4295     xsd:string  
1          0           graph  DOID:5384        oio:id     DOID:5384     xsd:string  
1          0           graph  DOID:4053        oio:id     DOID:4053     xsd:string  
1          0           graph  DOID:6594        oio:id     DOID:6594     xsd:string  
1          0           graph  DOID:5263        oio:id     DOID:5263     xsd:string  
1          0           graph  DOID:5142        oio:id     DOID:5142     xsd:string  
1          0           graph  DOID:8893        oio:id     DOID:8893     xsd:string  
1          0           graph  DOID:6231        oio:id     DOID:6231     xsd:string  
1          0           graph  DOID:6110        oio:id     DOID:6110     xsd:string  
1          0           graph  DOID:8651        oio:id     DOID:8651     xsd:string  
1          0           graph  DOID:7320        oio:id     DOID:7320     xsd:string  
1          0           graph  DOID:9861        oio:id     DOID:9861     xsd:string  
1          0           graph  obo:CHEBI_27561  oio:id     CHEBI:27561   xsd:string  
1          0           graph  DOID:0040091     oio:id     DOID:0040091  xsd:string  
1          0           graph  DOID:4284        oio:id     DOID:4284     xsd:string  
1          0           graph  DOID:5494        oio:id     DOID:5494     xsd:string  
1          0           graph  DOID:4163        oio:id     DOID:4163     xsd:string  
1          0           graph  DOID:5373        oio:id     DOID:5373     xsd:string  
1          0           graph  DOID:7551        oio:id     DOID:7551     xsd:string