assertion  retraction  graph  subject       predicate            object            datatype    annotation
1          0           graph  DOID:4920     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:0081251  oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:1895     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:1521     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:2731     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:1400     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:1884     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:1642     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:1752     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:12028    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:1631     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:2841     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:0080371  oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:12259    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:1862     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:13348    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:14547    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:11379    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:13799    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:379      oio:hasOBONamespace  disease_ontology  xsd:string