assertion  retraction  graph  subject       predicate    object              datatype    annotation
1          0           graph  DOID:0050117  OBI:9991118  infectious disease  xsd:string  
1          0           graph  DOID:417      OBI:9991118  autoimmune disease  xsd:string  
1          0           graph  DOID:1205     OBI:9991118  allergic disease    xsd:string  
1          0           graph  DOID:14566    OBI:9991118  neoplasm            xsd:string