assertion  retraction  graph  subject              predicate        object                               datatype  annotation
1          0           graph  DOID:1895            rdfs:subClassOf  DOID:1205                            _IRI      
1          0           graph  DOID:1895            rdf:type         owl:Class                            _IRI      
1          0           graph  DOID:1521            rdfs:subClassOf  DOID:1518                            _IRI      
1          0           graph  DOID:1521            rdfs:subClassOf  DOID:5672                            _IRI      
1          0           graph  DOID:1521            rdf:type         owl:Class                            _IRI      
1          0           graph  DOID:1521            oio:inSubset     obo:doid#NCIthesaurus                _IRI      
1          0           graph  DOID:2731            rdfs:subClassOf  DOID:8502                            _IRI      
1          0           graph  DOID:2731            rdf:type         owl:Class                            _IRI      
1          0           graph  DOID:1400            rdf:type         owl:Class                            _IRI      
1          0           graph  DOID:1400            rdfs:subClassOf  DOID:5614                            _IRI      
1          0           graph  DOID:1400            oio:inSubset     obo:doid#NCIthesaurus                _IRI      
1          0           graph  obo:FOODON_00002095  rdfs:subClassOf  obo:FOODON_00002277                  _IRI      
1          0           graph  obo:FOODON_00002095  rdf:type         owl:Class                            _IRI      
1          0           graph  DOID:1884            oio:inSubset     obo:doid#DO_infectious_disease_slim  _IRI      
1          0           graph  DOID:1884            rdfs:subClassOf  DOID:2237                            _IRI      
1          0           graph  DOID:1884            rdf:type         owl:Class                            _IRI      
1          0           graph  DOID:1884            rdfs:subClassOf  DOID:934                             _IRI      
1          0           graph  DOID:1642            rdfs:subClassOf  DOID:3004                            _IRI      
1          0           graph  DOID:1642            rdf:type         owl:Class                            _IRI      
1          0           graph  DOID:1642            oio:inSubset     obo:doid#NCIthesaurus                _IRI