assertion  retraction  graph  subject    predicate            object                 datatype    annotation
1          0           graph  DOID:2889  rdfs:label           retrocochlear disease  xsd:string  
1          0           graph  DOID:2889  oio:id               DOID:2889              xsd:string  
1          0           graph  DOID:2889  oio:hasOBONamespace  disease_ontology       xsd:string  
1          0           graph  DOID:2889  oio:hasDbXref        UMLS_CUI:C0035352      xsd:string  
1          0           graph  DOID:2889  oio:hasDbXref        MESH:D012181           xsd:string  
1          0           graph  DOID:2889  rdfs:subClassOf      DOID:2742              _IRI        
1          0           graph  DOID:2889  rdf:type             owl:Class              _IRI