assertion  retraction  graph  subject       predicate                                         object             datatype    annotation
1          0           graph  DOID:0070475  <http://www.w3.org/2004/02/skos/core#exactMatch>  UMLS_CUI:C4049328  xsd:string  
1          0           graph  DOID:0070475  oio:hasDbXref                                     UMLS_CUI:C4049328  xsd:string