assertion  retraction  graph  subject       predicate  object        datatype    annotation
1          0           graph  DOID:2468     oio:id     DOID:2468     xsd:string  
1          0           graph  DOID:2226     oio:id     DOID:2226     xsd:string  
1          0           graph  DOID:4767     oio:id     DOID:4767     xsd:string  
1          0           graph  DOID:5977     oio:id     DOID:5977     xsd:string  
1          0           graph  DOID:3315     oio:id     DOID:3315     xsd:string  
1          0           graph  DOID:4525     oio:id     DOID:4525     xsd:string  
1          0           graph  DOID:6945     oio:id     DOID:6945     xsd:string  
1          0           graph  DOID:5614     oio:id     DOID:5614     xsd:string  
1          0           graph  DOID:6703     oio:id     DOID:6703     xsd:string  
1          0           graph  DOID:26       oio:id     DOID:26       xsd:string  
1          0           graph  DOID:1247     oio:id     DOID:1247     xsd:string  
1          0           graph  DOID:4877     oio:id     DOID:4877     xsd:string  
1          0           graph  DOID:4756     oio:id     DOID:4756     xsd:string  
1          0           graph  DOID:3304     oio:id     DOID:3304     xsd:string  
1          0           graph  DOID:4514     oio:id     DOID:4514     xsd:string  
1          0           graph  DOID:0081087  oio:id     DOID:0081087  xsd:string  
1          0           graph  DOID:5724     oio:id     DOID:5724     xsd:string  
1          0           graph  DOID:6934     oio:id     DOID:6934     xsd:string  
1          0           graph  DOID:5603     oio:id     DOID:5603     xsd:string  
1          0           graph  DOID:7902     oio:id     DOID:7902     xsd:string