assertion  retraction  graph  subject       predicate            object            datatype    annotation
1          0           graph  DOID:4510     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:0081083  oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:3773     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:5830     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:2673     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:2431     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:1100     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:4972     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:3641     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:4851     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:3520     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:5940     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:3751     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:4961     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:4840     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:0081050  oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:2893     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:13169    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:3861     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:3740     oio:hasOBONamespace  disease_ontology  xsd:string