assertion  retraction  graph  subject         predicate        object          datatype    annotation
1          0           graph  NCBITaxon:3977  rdfs:label       Euphorbiaceae   xsd:string  
1          0           graph  NCBITaxon:3977  rdfs:subClassOf  NCBITaxon:3646  _IRI        
1          0           graph  NCBITaxon:3977  rdf:type         owl:Class       _IRI