assertion  retraction  graph  subject          predicate  object        datatype    annotation
1          0           graph  DOID:7643        oio:id     DOID:7643     xsd:string  
1          0           graph  DOID:6312        oio:id     DOID:6312     xsd:string  
1          0           graph  DOID:7522        oio:id     DOID:7522     xsd:string  
1          0           graph  DOID:7401        oio:id     DOID:7401     xsd:string  
1          0           graph  DOID:9942        oio:id     DOID:9942     xsd:string  
1          0           graph  DOID:0040051     oio:id     DOID:0040051  xsd:string  
1          0           graph  DOID:4376        oio:id     DOID:4376     xsd:string  
1          0           graph  DOID:5465        oio:id     DOID:5465     xsd:string  
1          0           graph  DOID:5344        oio:id     DOID:5344     xsd:string  
1          0           graph  DOID:4013        oio:id     DOID:4013     xsd:string  
1          0           graph  DOID:7632        oio:id     DOID:7632     xsd:string  
1          0           graph  DOID:7511        oio:id     DOID:7511     xsd:string  
1          0           graph  DOID:9810        oio:id     DOID:9810     xsd:string  
1          0           graph  obo:CHEBI_26421  oio:id     CHEBI:26421   xsd:string  
1          0           graph  DOID:0040040     oio:id     DOID:0040040  xsd:string  
1          0           graph  DOID:2066        oio:id     DOID:2066     xsd:string  
1          0           graph  DOID:4486        oio:id     DOID:4486     xsd:string  
1          0           graph  DOID:5696        oio:id     DOID:5696     xsd:string  
1          0           graph  DOID:6785        oio:id     DOID:6785     xsd:string  
1          0           graph  DOID:990         oio:id     DOID:990      xsd:string