assertion	retraction	graph	subject	predicate	object	datatype	annotation
1	0	graph	DOID:10290	oio:hasOBONamespace	disease_ontology	xsd:string	
1	0	graph	DOID:8352	oio:hasOBONamespace	disease_ontology	xsd:string	
1	0	graph	DOID:8110	oio:hasOBONamespace	disease_ontology	xsd:string