assertion  retraction  graph  subject       predicate                                         object       datatype    annotation
1          0           graph  DOID:0070475  <http://www.w3.org/2004/02/skos/core#exactMatch>  ORDO:319319  xsd:string  
1          0           graph  DOID:0070475  oio:hasDbXref                                     ORDO:319319  xsd:string