assertion  retraction  graph  subject          predicate  object        datatype    annotation
1          0           graph  DOID:6867        oio:id     DOID:6867     xsd:string  
1          0           graph  DOID:5536        oio:id     DOID:5536     xsd:string  
1          0           graph  DOID:4205        oio:id     DOID:4205     xsd:string  
1          0           graph  DOID:8924        oio:id     DOID:8924     xsd:string  
1          0           graph  DOID:0060087     oio:id     DOID:0060087  xsd:string  
1          0           graph  DOID:4678        oio:id     DOID:4678     xsd:string  
1          0           graph  DOID:3347        oio:id     DOID:3347     xsd:string  
1          0           graph  DOID:4436        oio:id     DOID:4436     xsd:string  
1          0           graph  DOID:5767        oio:id     DOID:5767     xsd:string  
1          0           graph  DOID:6856        oio:id     DOID:6856     xsd:string  
1          0           graph  DOID:5525        oio:id     DOID:5525     xsd:string  
1          0           graph  DOID:6735        oio:id     DOID:6735     xsd:string  
1          0           graph  DOID:7945        oio:id     DOID:7945     xsd:string  
1          0           graph  DOID:7824        oio:id     DOID:7824     xsd:string  
1          0           graph  DOID:0060076     oio:id     DOID:0060076  xsd:string  
1          0           graph  obo:CHEBI_27933  oio:id     CHEBI:27933   xsd:string  
1          0           graph  DOID:0040100     oio:id     DOID:0040100  xsd:string  
1          0           graph  DOID:3699        oio:id     DOID:3699     xsd:string  
1          0           graph  DOID:1037        oio:id     DOID:1037     xsd:string  
1          0           graph  DOID:3578        oio:id     DOID:3578     xsd:string