assertion  retraction  graph  subject           predicate  object        datatype    annotation
1          0           graph  DOID:255          oio:id     DOID:255      xsd:string  
1          0           graph  DOID:134          oio:id     DOID:134      xsd:string  
1          0           graph  DOID:6039         oio:id     DOID:6039     xsd:string  
1          0           graph  DOID:8338         oio:id     DOID:8338     xsd:string  
1          0           graph  DOID:7007         oio:id     DOID:7007     xsd:string  
1          0           graph  DOID:10155        oio:id     DOID:10155    xsd:string  
1          0           graph  obo:SYMP_0019139  oio:id     SYMP:0019139  xsd:string  
1          0           graph  DOID:365          oio:id     DOID:365      xsd:string  
1          0           graph  DOID:9537         oio:id     DOID:9537     xsd:string  
1          0           graph  DOID:13774        oio:id     DOID:13774    xsd:string  
1          0           graph  DOID:486          oio:id     DOID:486      xsd:string  
1          0           graph  DOID:6259         oio:id     DOID:6259     xsd:string  
1          0           graph  DOID:6017         oio:id     DOID:6017     xsd:string  
1          0           graph  obo:CHEBI_39447   oio:id     CHEBI:39447   xsd:string  
1          0           graph  DOID:8426         oio:id     DOID:8426     xsd:string  
1          0           graph  DOID:8305         oio:id     DOID:8305     xsd:string  
1          0           graph  DOID:12663        oio:id     DOID:12663    xsd:string  
1          0           graph  DOID:4059         oio:id     DOID:4059     xsd:string  
1          0           graph  DOID:7689         oio:id     DOID:7689     xsd:string  
1          0           graph  DOID:8778         oio:id     DOID:8778     xsd:string