assertion  retraction  graph  subject         predicate        object             datatype    annotation
1          0           graph  NCBITaxon:6681  rdfs:label       Malacostraca       xsd:string  
1          0           graph  NCBITaxon:6681  rdfs:subClassOf  NCBITaxon:2172821  _IRI        
1          0           graph  NCBITaxon:6681  rdf:type         owl:Class          _IRI