assertion  retraction  graph  subject          predicate            object                                     datatype    annotation
1          0           graph  DOID:0080166     rdfs:subClassOf      DOID:0080164                               _IRI        
1          0           graph  DOID:0080166     rdf:type             owl:Class                                  _IRI        
1          0           graph  DOID:0081255     oio:id               DOID:0081255                               xsd:string  
1          0           graph  DOID:0081255     oio:hasExactSynonym  Posterior Fossa Ependymoma, Group B (PFB)  xsd:string  
1          0           graph  DOID:0081255     oio:hasDbXref        NCI:C186451                                xsd:string  
1          0           graph  DOID:0081255     oio:hasDbXref        ICDO:9396/3                                xsd:string  
1          0           graph  DOID:0081255     oio:hasOBONamespace  disease_ontology                           xsd:string  
1          0           graph  DOID:0081255     oio:inSubset         obo:doid#DO_cancer_slim                    _IRI        
1          0           graph  DOID:0081255     rdfs:subClassOf      DOID:0080889                               _IRI        
1          0           graph  DOID:0081255     oio:hasExactSynonym  Posterior fossa group B (PFB) ependymoma   xsd:string  
1          0           graph  DOID:0081255     rdfs:label           posterior fossa group B ependymoma         @en         
1          0           graph  DOID:0081255     rdf:type             owl:Class                                  _IRI        
1          0           graph  obo:CHEBI_33635  rdfs:label           polycyclic compound                        xsd:string  
1          0           graph  obo:CHEBI_33635  oio:id               CHEBI:33635                                xsd:string  
1          0           graph  obo:CHEBI_33635  rdfs:subClassOf      obo:CHEBI_33595                            _IRI        
1          0           graph  obo:CHEBI_33635  rdf:type             owl:Class                                  _IRI        
1          0           graph  DOID:0060564     rdfs:label           spinal disease                             @en         
1          0           graph  DOID:0060564     oio:id               DOID:0060564                               xsd:string  
1          0           graph  DOID:0060564     oio:hasOBONamespace  disease_ontology                           xsd:string  
1          0           graph  DOID:0060564     rdfs:subClassOf      DOID:0080001                               _IRI