assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_16646  rdfs:label       carbohydrate     xsd:string  
1          0           graph  obo:CHEBI_16646  oio:id           CHEBI:16646      xsd:string  
1          0           graph  obo:CHEBI_16646  rdfs:subClassOf  obo:CHEBI_78616  _IRI        
1          0           graph  obo:CHEBI_16646  rdf:type         owl:Class        _IRI