@prefix rdf: . @prefix void: . @prefix qb: . @prefix xstats: . void:classes 0 ; void:entities 0 ; void:properties 0 ; void:triples 0 ; a void:Dataset . xstats:schema a qb:AttributeProperty . xstats:subjectsOfType a qb:DimensonProperty . xstats:value a qb:MeasureProperty .