assertion  retraction  graph  subject         predicate        object        datatype    annotation
1          0           graph  NCBITaxon:8706  rdfs:label       Vipera aspis  xsd:string  
1          0           graph  NCBITaxon:8706  rdfs:subClassOf  OBI:0100026   _IRI        
1          0           graph  NCBITaxon:8706  rdf:type         owl:Class     _IRI