assertion  retraction  graph  subject           predicate        object            datatype  annotation
1          0           graph  DOID:2401         rdfs:subClassOf  DOID:1245         _IRI      
1          0           graph  DOID:0080184      rdfs:subClassOf  DOID:4926         _IRI      
1          0           graph  DOID:1785         rdfs:subClassOf  DOID:170          _IRI      
1          0           graph  DOID:1785         rdfs:subClassOf  DOID:53           _IRI      
1          0           graph  DOID:1664         rdfs:subClassOf  DOID:5032         _IRI      
1          0           graph  DOID:3963         rdfs:subClassOf  DOID:305          _IRI      
1          0           graph  DOID:3963         rdfs:subClassOf  DOID:1781         _IRI      
1          0           graph  DOID:2632         rdfs:subClassOf  DOID:3112         _IRI      
1          0           graph  DOID:3842         rdfs:subClassOf  DOID:1863         _IRI      
1          0           graph  DOID:3721         rdfs:subClassOf  DOID:6536         _IRI      
1          0           graph  DOID:4931         rdfs:subClassOf  DOID:10811        _IRI      
1          0           graph  DOID:4931         rdfs:subClassOf  DOID:305          _IRI      
1          0           graph  obo:SYMP_0000486  rdfs:subClassOf  obo:SYMP_0000462  _IRI      
1          0           graph  obo:CHEBI_46952   rdfs:subClassOf  obo:CHEBI_38104   _IRI      
1          0           graph  obo:CHEBI_46952   rdfs:subClassOf  obo:CHEBI_38101   _IRI      
1          0           graph  obo:CHEBI_46952   rdfs:subClassOf  obo:CHEBI_25693   _IRI      
1          0           graph  obo:CHEBI_33521   rdfs:subClassOf  obo:CHEBI_33250   _IRI      
1          0           graph  obo:SYMP_0000244  rdfs:subClassOf  obo:SYMP_0000473  _IRI      
1          0           graph  DOID:0050891      rdfs:subClassOf  DOID:656          _IRI      
1          0           graph  DOID:1532         rdfs:subClassOf  DOID:0050161      _IRI