assertion  retraction  graph  subject       predicate      object       datatype    annotation
1          0           graph  DOID:0080889  oio:hasDbXref  ICDO:9391/3  xsd:string  
1          0           graph  DOID:0080890  oio:hasDbXref  ICDO:9391/3  xsd:string  
1          0           graph  DOID:5503     oio:hasDbXref  ICDO:9391/3  xsd:string  
1          0           graph  DOID:5074     oio:hasDbXref  ICDO:9391/3  xsd:string