assertion  retraction  graph  subject           predicate        object            datatype  annotation
1          0           graph  obo:CHEBI_29007   rdfs:subClassOf  obo:CHEBI_38418   _IRI      
1          0           graph  obo:CHEBI_29007   rdfs:subClassOf  obo:CHEBI_36816   _IRI      
1          0           graph  obo:CHEBI_29007   rdfs:subClassOf  obo:CHEBI_23066   _IRI      
1          0           graph  DOID:9008         rdfs:subClassOf  DOID:0060039      _IRI      
1          0           graph  DOID:9008         rdfs:subClassOf  DOID:848          _IRI      
1          0           graph  DOID:13366        rdfs:subClassOf  DOID:480          _IRI      
1          0           graph  obo:SYMP_0000570  rdfs:subClassOf  obo:SYMP_0000146  _IRI      
1          0           graph  DOID:8029         rdfs:subClassOf  DOID:3459         _IRI      
1          0           graph  DOID:13476        rdfs:subClassOf  DOID:2596         _IRI      
1          0           graph  DOID:298          rdfs:subClassOf  DOID:293          _IRI      
1          0           graph  DOID:298          rdfs:subClassOf  DOID:299          _IRI      
1          0           graph  DOID:12134        rdfs:subClassOf  DOID:0080012      _IRI      
1          0           graph  DOID:12134        rdfs:subClassOf  DOID:1247         _IRI      
1          0           graph  DOID:13223        rdfs:subClassOf  DOID:0060095      _IRI      
1          0           graph  obo:SYMP_0020040  rdfs:subClassOf  obo:SYMP_0000488  _IRI      
1          0           graph  DOID:166          rdfs:subClassOf  DOID:0060094      _IRI      
1          0           graph  DOID:7039         rdfs:subClassOf  DOID:3451         _IRI      
1          0           graph  DOID:10187        rdfs:subClassOf  DOID:6050         _IRI      
1          0           graph  DOID:10187        rdfs:subClassOf  DOID:3315         _IRI      
1          0           graph  DOID:10187        rdfs:subClassOf  DOID:0050624      _IRI