<http://webisa.webdatacommons.org/concept/_requirement_for+bibliographic+records>	<http://www.w3.org/2000/01/rdf-schema#label>	"requirement for bibliographic records" .
<http://webisa.webdatacommons.org/concept/_requirement_for+bibliographic+records>	<http://webisa.webdatacommons.org/ontology#hasHead>	"requirement" .
<http://webisa.webdatacommons.org/concept/_requirement_for+bibliographic+records>	<http://webisa.webdatacommons.org/ontology#hasPostModifier>	"for bibliographic records" .