assertion  retraction  graph  subject       predicate            object            datatype    annotation
1          0           graph  DOID:7609     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:0040006  oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:956      oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:5409     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:7708     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:4418     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:6959     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:5628     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:6838     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:5507     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:7927     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:7806     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:0060058  oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:1019     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:3318     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:5859     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:6948     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:6827     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:6706     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:2218     oio:hasOBONamespace  disease_ontology  xsd:string