<http://webisa.webdatacommons.org/concept/_tier_4>	<http://www.w3.org/2000/01/rdf-schema#label>	"tier 4" .
<http://webisa.webdatacommons.org/concept/_tier_4>	<http://webisa.webdatacommons.org/ontology#hasHead>	"tier" .
<http://webisa.webdatacommons.org/concept/_tier_4>	<http://webisa.webdatacommons.org/ontology#hasPostModifier>	"4" .