assertion  retraction  graph  subject          predicate            object                            datatype    annotation
1          0           graph  DOID:7549        oio:hasDbXref        UMLS_CUI:C0334352                 xsd:string  
1          0           graph  DOID:7549        oio:hasDbXref        SNOMEDCT_US_2023_03_01:403945001  xsd:string  
1          0           graph  DOID:7549        oio:hasDbXref        NCI:C6088                         xsd:string  
1          0           graph  DOID:7549        rdfs:subClassOf      DOID:5876                         _IRI        
1          0           graph  DOID:7549        rdf:type             owl:Class                         _IRI        
1          0           graph  DOID:7428        rdfs:label           pineal region germinoma           xsd:string  
1          0           graph  DOID:7428        oio:inSubset         obo:doid#NCIthesaurus             _IRI        
1          0           graph  DOID:7428        oio:id               DOID:7428                         xsd:string  
1          0           graph  DOID:7428        oio:hasOBONamespace  disease_ontology                  xsd:string  
1          0           graph  DOID:7428        oio:hasDbXref        UMLS_CUI:C0854912                 xsd:string  
1          0           graph  DOID:7428        oio:hasDbXref        NCI:C8712                         xsd:string  
1          0           graph  DOID:7428        rdfs:subClassOf      DOID:1660                         _IRI        
1          0           graph  DOID:7428        rdf:type             owl:Class                         _IRI        
1          0           graph  obo:CHEBI_26217  rdfs:label           potassium molecular entity        xsd:string  
1          0           graph  obo:CHEBI_26217  oio:id               CHEBI:26217                       xsd:string  
1          0           graph  obo:CHEBI_26217  rdfs:subClassOf      obo:CHEBI_33296                   _IRI        
1          0           graph  obo:CHEBI_26217  rdf:type             owl:Class                         _IRI        
1          0           graph  DOID:0040078     oio:hasOBONamespace  disease_ontology                  xsd:string  
1          0           graph  DOID:0040078     rdfs:subClassOf      DOID:0060500                      _IRI        
1          0           graph  DOID:0040078     rdf:type             owl:Class                         _IRI