assertion  retraction  graph  subject           predicate        object            datatype  annotation
1          0           graph  DOID:3953         rdfs:subClassOf  DOID:170          _IRI      
1          0           graph  DOID:3953         rdfs:subClassOf  DOID:9553         _IRI      
1          0           graph  DOID:3711         rdfs:subClassOf  DOID:4007         _IRI      
1          0           graph  DOID:3711         rdfs:subClassOf  DOID:299          _IRI      
1          0           graph  DOID:4921         rdfs:subClassOf  DOID:2095         _IRI      
1          0           graph  obo:SYMP_0000597  rdfs:subClassOf  obo:SYMP_0000462  _IRI      
1          0           graph  DOID:0081252      rdfs:subClassOf  DOID:0080890      _IRI      
1          0           graph  DOID:1896         rdfs:subClassOf  DOID:235          _IRI      
1          0           graph  DOID:1522         rdfs:subClassOf  DOID:0060058      _IRI      
1          0           graph  DOID:1522         rdfs:subClassOf  DOID:1521         _IRI      
1          0           graph  DOID:3700         rdfs:subClassOf  DOID:5727         _IRI      
1          0           graph  DOID:4910         rdfs:subClassOf  DOID:734          _IRI      
1          0           graph  DOID:4910         rdfs:subClassOf  DOID:299          _IRI      
1          0           graph  DOID:0050870      rdfs:subClassOf  DOID:8800         _IRI      
1          0           graph  DOID:2600         rdfs:subClassOf  DOID:305          _IRI      
1          0           graph  DOID:2600         rdfs:subClassOf  DOID:2596         _IRI      
1          0           graph  obo:CHEBI_53212   rdfs:subClassOf  obo:CHEBI_36963   _IRI      
1          0           graph  obo:CHEBI_53212   rdfs:subClassOf  obo:CHEBI_35352   _IRI      
1          0           graph  obo:CHEBI_51276   rdfs:subClassOf  obo:CHEBI_50492   _IRI      
1          0           graph  DOID:1995         rdfs:subClassOf  DOID:1993         _IRI