assertion  retraction  graph  subject          predicate  object        datatype    annotation
1          0           graph  DOID:3269        oio:id     DOID:3269     xsd:string  
1          0           graph  DOID:5568        oio:id     DOID:5568     xsd:string  
1          0           graph  DOID:6657        oio:id     DOID:6657     xsd:string  
1          0           graph  DOID:7867        oio:id     DOID:7867     xsd:string  
1          0           graph  DOID:6536        oio:id     DOID:6536     xsd:string  
1          0           graph  obo:CHEBI_36688  oio:id     CHEBI:36688   xsd:string  
1          0           graph  DOID:0040022     oio:id     DOID:0040022  xsd:string  
1          0           graph  DOID:3379        oio:id     DOID:3379     xsd:string  
1          0           graph  DOID:2048        oio:id     DOID:2048     xsd:string  
1          0           graph  DOID:3258        oio:id     DOID:3258     xsd:string  
1          0           graph  DOID:4468        oio:id     DOID:4468     xsd:string  
1          0           graph  DOID:3016        oio:id     DOID:3016     xsd:string  
1          0           graph  DOID:6888        oio:id     DOID:6888     xsd:string  
1          0           graph  DOID:5557        oio:id     DOID:5557     xsd:string  
1          0           graph  DOID:4226        oio:id     DOID:4226     xsd:string  
1          0           graph  DOID:6525        oio:id     DOID:6525     xsd:string  
1          0           graph  DOID:7735        oio:id     DOID:7735     xsd:string  
1          0           graph  DOID:6404        oio:id     DOID:6404     xsd:string  
1          0           graph  DOID:10883       oio:id     DOID:10883    xsd:string  
1          0           graph  DOID:7614        oio:id     DOID:7614     xsd:string