assertion  retraction  graph  subject              predicate     object                       datatype    annotation
1          0           graph  oio:hasOBONamespace  rdfs:label    has_obo_namespace            xsd:string  
1          0           graph  oio:hasOBONamespace  rdfs:comment  disease_ontology             xsd:string  
1          0           graph  oio:hasOBONamespace  rdf:type      owl:AnnotationProperty       _IRI        
1          0           graph  oio:hasOBONamespace  IAO:0000115   Name space of the ontology.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.geneontology.org/formats/oboInOwl#hasOBONamespace""}]}"