assertion  retraction  graph  subject     predicate            object             datatype    annotation
1          0           graph  DOID:12894  oio:hasDbXref        UMLS_CUI:C1527336  xsd:string  
1          0           graph  DOID:12894  rdf:type             owl:Class          _IRI        
1          0           graph  DOID:12894  oio:hasExactSynonym  Sjogren syndrome   @en         
1          0           graph  DOID:12894  oio:hasDbXref        NCI:C26883         xsd:string