assertion  retraction  graph  subject       predicate            object            datatype    annotation
1          0           graph  DOID:0080809  oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:14040    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:14150    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:9297     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:12192    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:14491    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:13160    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:7097     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:8186     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:7086     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:8043     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:9253     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:9132     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:9011     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:8274     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:8153     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:11180    oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:180      oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:6085     oio:hasOBONamespace  disease_ontology  xsd:string  
1          0           graph  DOID:7174     oio:hasOBONamespace  disease_ontology  xsd:string