assertion  retraction  graph  subject       predicate            object            datatype    annotation
1          0           graph  DOID:8761     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:7430     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:0040080  oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:3074     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:4152     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:6693     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:5241     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:6451     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:7540     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:2095     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:3184     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:5351     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:7650     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:3173     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:5593     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:4141     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:8970     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:3283     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:3162     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:4251     oio:hasOBONamespace  disease_ontology  xsd:string