assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_24583  rdfs:label       hexitol          xsd:string  
1          0           graph  obo:CHEBI_24583  oio:id           CHEBI:24583      xsd:string  
1          0           graph  obo:CHEBI_24583  rdfs:subClassOf  obo:CHEBI_17522  _IRI        
1          0           graph  obo:CHEBI_24583  rdf:type         owl:Class        _IRI