<http://webisa.webdatacommons.org/concept/_set_of+natural+number>	<http://webisa.webdatacommons.org/ontology#hasHead>	"set" .
<http://webisa.webdatacommons.org/concept/_set_of+natural+number>	<http://webisa.webdatacommons.org/ontology#hasPostModifier>	"of natural number" .
<http://webisa.webdatacommons.org/concept/_set_of+natural+number>	<http://www.w3.org/2000/01/rdf-schema#label>	"set of natural number" .