<http://webisa.webdatacommons.org/concept/directional_key_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"directional" .
<http://webisa.webdatacommons.org/concept/directional_key_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"key" .
<http://webisa.webdatacommons.org/concept/directional_key_>	<http://www.w3.org/2000/01/rdf-schema#label>	"directional key" .