assertion  retraction  graph  subject          predicate  object        datatype    annotation
1          0           graph  DOID:6548        oio:id     DOID:6548     xsd:string  
1          0           graph  DOID:7505        oio:id     DOID:7505     xsd:string  
1          0           graph  obo:CHEBI_37668  oio:id     CHEBI:37668   xsd:string  
1          0           graph  DOID:0040034     oio:id     DOID:0040034  xsd:string  
1          0           graph  DOID:874         oio:id     DOID:874      xsd:string  
1          0           graph  DOID:3149        oio:id     DOID:3149     xsd:string  
1          0           graph  DOID:4359        oio:id     DOID:4359     xsd:string  
1          0           graph  DOID:5569        oio:id     DOID:5569     xsd:string  
1          0           graph  DOID:4117        oio:id     DOID:4117     xsd:string  
1          0           graph  DOID:6658        oio:id     DOID:6658     xsd:string  
1          0           graph  DOID:7868        oio:id     DOID:7868     xsd:string  
1          0           graph  DOID:7747        oio:id     DOID:7747     xsd:string  
1          0           graph  obo:CHEBI_35479  oio:id     CHEBI:35479   xsd:string  
1          0           graph  DOID:10763       oio:id     DOID:10763    xsd:string  
1          0           graph  DOID:8704        oio:id     DOID:8704     xsd:string  
1          0           graph  obo:CHEBI_35358  oio:id     CHEBI:35358   xsd:string  
1          0           graph  obo:CHEBI_26888  oio:id     CHEBI:26888   xsd:string  
1          0           graph  DOID:0040023     oio:id     DOID:0040023  xsd:string  
1          0           graph  DOID:863         oio:id     DOID:863      xsd:string  
1          0           graph  DOID:3259        oio:id     DOID:3259     xsd:string