assertion  retraction  graph  subject          predicate  object        datatype    annotation
1          0           graph  DOID:6621        oio:id     DOID:6621     xsd:string  
1          0           graph  DOID:6500        oio:id     DOID:6500     xsd:string  
1          0           graph  DOID:8920        oio:id     DOID:8920     xsd:string  
1          0           graph  DOID:0060083     oio:id     DOID:0060083  xsd:string  
1          0           graph  obo:CHEBI_24431  oio:id     CHEBI:24431   xsd:string  
1          0           graph  DOID:2133        oio:id     DOID:2133     xsd:string  
1          0           graph  DOID:4553        oio:id     DOID:4553     xsd:string  
1          0           graph  DOID:4432        oio:id     DOID:4432     xsd:string  
1          0           graph  DOID:5763        oio:id     DOID:5763     xsd:string  
1          0           graph  DOID:5521        oio:id     DOID:5521     xsd:string  
1          0           graph  DOID:7941        oio:id     DOID:7941     xsd:string  
1          0           graph  DOID:6610        oio:id     DOID:6610     xsd:string  
1          0           graph  DOID:7820        oio:id     DOID:7820     xsd:string  
1          0           graph  DOID:0060072     oio:id     DOID:0060072  xsd:string  
1          0           graph  obo:CHEBI_26961  oio:id     CHEBI:26961   xsd:string  
1          0           graph  obo:CHEBI_88187  oio:id     CHEBI:88187   xsd:string  
1          0           graph  DOID:2001        oio:id     DOID:2001     xsd:string  
1          0           graph  DOID:4542        oio:id     DOID:4542     xsd:string  
1          0           graph  DOID:3211        oio:id     DOID:3211     xsd:string  
1          0           graph  DOID:5752        oio:id     DOID:5752     xsd:string