assertion  retraction  graph  subject       predicate            object            datatype    annotation
1          0           graph  DOID:2441     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:0081071  oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:2430     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:4971     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:3640     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:2782     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:2661     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:14268    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:3750     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:4960     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:2892     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:1561     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:14499    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:13168    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:3860     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:0081280  oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:1792     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:13036    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:14125    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:11198    oio:hasOBONamespace  disease_ontology  xsd:string