assertion  retraction  graph  subject          predicate  object        datatype    annotation
1          0           graph  DOID:663         oio:id     DOID:663      xsd:string  
1          0           graph  DOID:5479        oio:id     DOID:5479     xsd:string  
1          0           graph  DOID:4148        oio:id     DOID:4148     xsd:string  
1          0           graph  DOID:7646        oio:id     DOID:7646     xsd:string  
1          0           graph  DOID:6315        oio:id     DOID:6315     xsd:string  
1          0           graph  DOID:12972       oio:id     DOID:12972    xsd:string  
1          0           graph  DOID:10310       oio:id     DOID:10310    xsd:string  
1          0           graph  obo:CHEBI_36357  oio:id     CHEBI:36357   xsd:string  
1          0           graph  DOID:0040054     oio:id     DOID:0040054  xsd:string  
1          0           graph  DOID:4379        oio:id     DOID:4379     xsd:string  
1          0           graph  DOID:5468        oio:id     DOID:5468     xsd:string  
1          0           graph  DOID:7756        oio:id     DOID:7756     xsd:string  
1          0           graph  DOID:6425        oio:id     DOID:6425     xsd:string  
1          0           graph  DOID:7635        oio:id     DOID:7635     xsd:string  
1          0           graph  DOID:7514        oio:id     DOID:7514     xsd:string  
1          0           graph  DOID:10541       oio:id     DOID:10541    xsd:string  
1          0           graph  obo:CHEBI_25698  oio:id     CHEBI:25698   xsd:string  
1          0           graph  DOID:0040043     oio:id     DOID:0040043  xsd:string  
1          0           graph  DOID:883         oio:id     DOID:883      xsd:string  
1          0           graph  DOID:520         oio:id     DOID:520      xsd:string